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net: wireless: Remove useless return variables

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This patch remove variables that are initialized with a constant,
are never updated, and are only used as parameter of return.
Return the constant instead of using a variable.

wl_cfg80211.c verified by compilation only.
phy/phy_cmn.c unverified.

The coccinelle script that find and fixes this issue is:
// <smpl>
@@
type T;
constant C;
identifier ret;
@@
- T ret = C;
... when != ret
    when strict
return
- ret
+ C
;
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Peter Senna Tschudin 2014-05-31 10:14:06 -03:00 committed by John W. Linville
parent 7171511eae
commit 12f3237006
2 changed files with 7 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -1331,7 +1331,6 @@ static s32
brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
{
struct brcmf_if *ifp = netdev_priv(ndev);
s32 err = 0;
brcmf_dbg(TRACE, "Enter\n");
if (!check_vif_up(ifp->vif))
@ -1341,7 +1340,7 @@ brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
brcmf_dbg(TRACE, "Exit\n");
return err;
return 0;
}
static s32 brcmf_set_wpa_version(struct net_device *ndev,
@ -2388,7 +2387,6 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
struct cfg80211_bss *bss;
struct ieee80211_supported_band *band;
struct brcmu_chan ch;
s32 err = 0;
u16 channel;
u32 freq;
u16 notify_capability;
@ -2438,7 +2436,7 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
cfg80211_put_bss(wiphy, bss);
return err;
return 0;
}
static struct brcmf_bss_info_le *
@ -2690,7 +2688,6 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
{
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
s32 status;
s32 err = 0;
struct brcmf_escan_result_le *escan_result_le;
struct brcmf_bss_info_le *bss_info_le;
struct brcmf_bss_info_le *bss = NULL;
@ -2781,7 +2778,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
status);
}
exit:
return err;
return 0;
}
static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
@ -3507,7 +3504,6 @@ static s32
brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
struct parsed_vndr_ies *vndr_ies)
{
s32 err = 0;
struct brcmf_vs_tlv *vndrie;
struct brcmf_tlv *ie;
struct parsed_vndr_ie_info *parsed_info;
@ -3560,7 +3556,7 @@ brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
TLV_HDR_LEN);
}
return err;
return 0;
}
static u32
@ -4650,7 +4646,6 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
s32 err = 0;
brcmf_dbg(TRACE, "Enter\n");
@ -4676,7 +4671,7 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
completed ? "succeeded" : "failed");
}
brcmf_dbg(TRACE, "Exit\n");
return err;
return 0;
}
static s32
@ -4768,7 +4763,6 @@ brcmf_notify_roaming_status(struct brcmf_if *ifp,
const struct brcmf_event_msg *e, void *data)
{
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
s32 err = 0;
u32 event = e->event_code;
u32 status = e->status;
@ -4779,7 +4773,7 @@ brcmf_notify_roaming_status(struct brcmf_if *ifp,
brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
}
return err;
return 0;
}
static s32

6
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c
View File

@ -1538,11 +1538,7 @@ static s8
wlc_user_txpwr_antport_to_rfport(struct brcms_phy *pi, uint chan, u32 band,
u8 rate)
{
s8 offset = 0;
if (!pi->user_txpwr_at_rfport)
return offset;
return offset;
return 0;
}
void wlc_phy_txpower_recalc_target(struct brcms_phy *pi)