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isdn: clean up debug format string usage

Browse Source 
Avoid unneeded local string buffers for constructing debug output.  Also
cleans up debug calls that contain a single parameter so that they cannot
be accidentally parsed as format strings.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2013-09-13 14:52:04 -07:00 committed by David S. Miller
parent a2a69f0b35
commit 35a4a5733b
19 changed files with 57 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/isdn/hisax/amd7930_fn.c
View File

@ -314,7 +314,7 @@ Amd7930_empty_Dfifo(struct IsdnCardState *cs, int flag)
t += sprintf(t, "Amd7930: empty_Dfifo cnt: %d |", cs->rcvidx);
QuickHex(t, cs->rcvbuf, cs->rcvidx);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
/* moves received data in sk-buffer */
memcpy(skb_put(skb, cs->rcvidx), cs->rcvbuf, cs->rcvidx);
@ -406,7 +406,7 @@ Amd7930_fill_Dfifo(struct IsdnCardState *cs)
t += sprintf(t, "Amd7930: fill_Dfifo cnt: %d |", count);
QuickHex(t, deb_ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
/* AMD interrupts on */
AmdIrqOn(cs);

4
drivers/isdn/hisax/avm_pci.c
View File

@ -285,7 +285,7 @@ hdlc_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hdlc_empty_fifo %c cnt %d",
bcs->channel ? 'B' : 'A', count);
QuickHex(t, p, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -345,7 +345,7 @@ hdlc_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hdlc_fill_fifo %c cnt %d",
bcs->channel ? 'B' : 'A', count);
QuickHex(t, p, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

2
drivers/isdn/hisax/config.c
View File

@ -1896,7 +1896,7 @@ static void EChannel_proc_rcv(struct hisax_d_if *d_if)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ",
"warning Frame too big (%d)",

4
drivers/isdn/hisax/diva.c
View File

@ -427,7 +427,7 @@ Memhscx_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hscx_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -469,7 +469,7 @@ Memhscx_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hscx_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

2
drivers/isdn/hisax/elsa.c
View File

@ -535,7 +535,7 @@ check_arcofi(struct IsdnCardState *cs)
t = tmp;
t += sprintf(tmp, "Arcofi data");
QuickHex(t, p, cs->dc.isac.mon_rxp);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
switch (cs->dc.isac.mon_rx[1]) {
case 0x80:

2
drivers/isdn/hisax/elsa_ser.c
View File

@ -344,7 +344,7 @@ static inline void receive_chars(struct IsdnCardState *cs,
t += sprintf(t, "modem read cnt %d", cs->hw.elsa.rcvcnt);
QuickHex(t, cs->hw.elsa.rcvbuf, cs->hw.elsa.rcvcnt);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
}
cs->hw.elsa.rcvcnt = 0;
}

2
drivers/isdn/hisax/hfc_pci.c
View File

@ -901,7 +901,7 @@ receive_emsg(struct IsdnCardState *cs)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", total - 3);
}

2
drivers/isdn/hisax/hfc_sx.c
View File

@ -674,7 +674,7 @@ receive_emsg(struct IsdnCardState *cs)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", skb->len);
}

4
drivers/isdn/hisax/hscx_irq.c
View File

@ -75,7 +75,7 @@ hscx_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hscx_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -115,7 +115,7 @@ hscx_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hscx_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

4
drivers/isdn/hisax/icc.c
View File

@ -134,7 +134,7 @@ icc_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "icc_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -176,7 +176,7 @@ icc_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "icc_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}

8
drivers/isdn/hisax/ipacx.c
View File

@ -260,7 +260,7 @@ dch_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "dch_empty_fifo() cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -307,7 +307,7 @@ dch_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "dch_fill_fifo() cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -539,7 +539,7 @@ bch_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "bch_empty_fifo() B-%d cnt %d", hscx, count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -582,7 +582,7 @@ bch_fill_fifo(struct BCState *bcs)
t += sprintf(t, "chb_fill_fifo() B-%d cnt %d", hscx, count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

4
drivers/isdn/hisax/isac.c
View File

@ -137,7 +137,7 @@ isac_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "isac_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -179,7 +179,7 @@ isac_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "isac_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}

6
drivers/isdn/hisax/isar.c
View File

@ -74,7 +74,7 @@ sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
t = tmp;
t += sprintf(t, "sendmbox cnt %d", len);
QuickHex(t, &msg[len-i], (i > 64) ? 64 : i);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
i -= 64;
}
}
@ -105,7 +105,7 @@ rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
t = tmp;
t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
QuickHex(t, &msg[ireg->clsb - i], (i > 64) ? 64 : i);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
i -= 64;
}
}
@ -1248,7 +1248,7 @@ isar_int_main(struct IsdnCardState *cs)
tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
ireg->iis, ireg->cmsb);
QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
debugl1(cs, debbuf);
debugl1(cs, "%s", debbuf);
}
break;
case ISAR_IIS_INVMSG:

18
drivers/isdn/hisax/jade.c
View File

@ -81,10 +81,7 @@ modejade(struct BCState *bcs, int mode, int bc)
int jade = bcs->hw.hscx.hscx;
if (cs->debug & L1_DEB_HSCX) {
char tmp[40];
sprintf(tmp, "jade %c mode %d ichan %d",
'A' + jade, mode, bc);
debugl1(cs, tmp);
debugl1(cs, "jade %c mode %d ichan %d", 'A' + jade, mode, bc);
}
bcs->mode = mode;
bcs->channel = bc;
@ -257,23 +254,18 @@ void
clear_pending_jade_ints(struct IsdnCardState *cs)
{
int val;
char tmp[64];
cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00);
cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00);
val = cs->BC_Read_Reg(cs, 1, jade_HDLC_ISR);
sprintf(tmp, "jade B ISTA %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade B ISTA %x", val);
val = cs->BC_Read_Reg(cs, 0, jade_HDLC_ISR);
sprintf(tmp, "jade A ISTA %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade A ISTA %x", val);
val = cs->BC_Read_Reg(cs, 1, jade_HDLC_STAR);
sprintf(tmp, "jade B STAR %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade B STAR %x", val);
val = cs->BC_Read_Reg(cs, 0, jade_HDLC_STAR);
sprintf(tmp, "jade A STAR %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade A STAR %x", val);
/* Unmask ints */
cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0xF8);
cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0xF8);

4
drivers/isdn/hisax/jade_irq.c
View File

@ -65,7 +65,7 @@ jade_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "jade_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -105,7 +105,7 @@ jade_fill_fifo(struct BCState *bcs)
t += sprintf(t, "jade_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

50
drivers/isdn/hisax/l3_1tr6.c
View File

@ -63,7 +63,7 @@ l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
{
dev_kfree_skb(skb);
if (pc->st->l3.debug & L3_DEB_WARN)
l3_debug(pc->st, msg);
l3_debug(pc->st, "%s", msg);
l3_1tr6_release_req(pc, 0, NULL);
}
@ -161,7 +161,6 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int bcfound = 0;
char tmp[80];
struct sk_buff *skb = arg;
/* Channel Identification */
@ -214,10 +213,9 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
/* Signal all services, linklevel takes care of Service-Indicator */
if (bcfound) {
if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
sprintf(tmp, "non-digital call: %s -> %s",
l3_debug(pc->st, "non-digital call: %s -> %s",
pc->para.setup.phone,
pc->para.setup.eazmsn);
l3_debug(pc->st, tmp);
}
newl3state(pc, 6);
pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
@ -301,7 +299,7 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int i, tmpcharge = 0;
char a_charge[8], tmp[32];
char a_charge[8];
struct sk_buff *skb = arg;
p = skb->data;
@ -316,8 +314,8 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
sprintf(tmp, "charging info %d", pc->para.chargeinfo);
l3_debug(pc->st, tmp);
l3_debug(pc->st, "charging info %d",
pc->para.chargeinfo);
}
} else if (pc->st->l3.debug & L3_DEB_CHARGE)
l3_debug(pc->st, "charging info not found");
@ -399,7 +397,7 @@ l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
struct sk_buff *skb = arg;
u_char *p;
int i, tmpcharge = 0;
char a_charge[8], tmp[32];
char a_charge[8];
StopAllL3Timer(pc);
p = skb->data;
@ -414,8 +412,8 @@ l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
sprintf(tmp, "charging info %d", pc->para.chargeinfo);
l3_debug(pc->st, tmp);
l3_debug(pc->st, "charging info %d",
pc->para.chargeinfo);
}
} else if (pc->st->l3.debug & L3_DEB_CHARGE)
l3_debug(pc->st, "charging info not found");
@ -746,7 +744,6 @@ up1tr6(struct PStack *st, int pr, void *arg)
int i, mt, cr;
struct l3_process *proc;
struct sk_buff *skb = arg;
char tmp[80];
switch (pr) {
case (DL_DATA | INDICATION):
@ -762,26 +759,23 @@ up1tr6(struct PStack *st, int pr, void *arg)
}
if (skb->len < 4) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 len only %d", skb->len);
l3_debug(st, tmp);
l3_debug(st, "up1tr6 len only %d", skb->len);
}
dev_kfree_skb(skb);
return;
}
if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
l3_debug(st, "up1tr6%sunexpected discriminator %x message len %d",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
skb->data[0], skb->len);
l3_debug(st, tmp);
}
dev_kfree_skb(skb);
return;
}
if (skb->data[1] != 1) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 CR len not 1");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 CR len not 1");
}
dev_kfree_skb(skb);
return;
@ -791,9 +785,8 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (skb->data[0] == PROTO_DIS_N0) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%s N0 mt %x unhandled",
l3_debug(st, "up1tr6%s N0 mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
l3_debug(st, tmp);
}
} else if (skb->data[0] == PROTO_DIS_N1) {
if (!(proc = getl3proc(st, cr))) {
@ -801,8 +794,7 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (cr < 128) {
if (!(proc = new_l3_process(st, cr))) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@ -821,8 +813,7 @@ up1tr6(struct PStack *st, int pr, void *arg)
} else {
if (!(proc = new_l3_process(st, cr))) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@ -837,18 +828,16 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (i == ARRAY_SIZE(datastln1)) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
l3_debug(st, "up1tr6%sstate %d mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
l3_debug(st, tmp);
}
return;
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%sstate %d mt %x",
l3_debug(st, "up1tr6%sstate %d mt %x",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
l3_debug(st, tmp);
}
datastln1[i].rout(proc, pr, skb);
}
@ -861,7 +850,6 @@ down1tr6(struct PStack *st, int pr, void *arg)
int i, cr;
struct l3_process *proc;
struct Channel *chan;
char tmp[80];
if ((DL_ESTABLISH | REQUEST) == pr) {
l3_msg(st, pr, NULL);
@ -888,15 +876,13 @@ down1tr6(struct PStack *st, int pr, void *arg)
break;
if (i == ARRAY_SIZE(downstl)) {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d unhandled",
l3_debug(st, "down1tr6 state %d prim %d unhandled",
proc->state, pr);
l3_debug(st, tmp);
}
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d",
l3_debug(st, "down1tr6 state %d prim %d",
proc->state, pr);
l3_debug(st, tmp);
}
downstl[i].rout(proc, pr, arg);
}

2
drivers/isdn/hisax/netjet.c
View File

@ -176,7 +176,7 @@ static void printframe(struct IsdnCardState *cs, u_char *buf, int count, char *s
else
j = i;
QuickHex(t, p, j);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
p += j;
i -= j;
t = tmp;

6
drivers/isdn/hisax/q931.c
View File

@ -1179,7 +1179,7 @@ LogFrame(struct IsdnCardState *cs, u_char *buf, int size)
dp--;
*dp++ = '\n';
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogFrame: ", "warning Frame too big (%d)", size);
}
@ -1246,7 +1246,7 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir)
}
if (finish) {
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
return;
}
if ((0xfe & buf[0]) == PROTO_DIS_N0) { /* 1TR6 */
@ -1509,5 +1509,5 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir)
dp += sprintf(dp, "Unknown protocol %x!", buf[0]);
}
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
}

8
drivers/isdn/hisax/w6692.c
View File

@ -154,7 +154,7 @@ W6692_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "W6692_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -196,7 +196,7 @@ W6692_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "W6692_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -226,7 +226,7 @@ W6692B_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "W6692B_empty_fifo %c cnt %d",
bcs->channel + '1', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -264,7 +264,7 @@ W6692B_fill_fifo(struct BCState *bcs)
t += sprintf(t, "W6692B_fill_fifo %c cnt %d",
bcs->channel + '1', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}