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libceph: stop parsing when a bad int arg is detected

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There is no reason to continue option parsing after detecting
bad option.

[ Return match_int() errors from ceph_parse_options() to match the
  behaviour of parse_rbd_opts_token() and parse_fsopt_token(). ]

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Chengguang Xu 2018-06-27 21:05:08 +08:00 committed by Ilya Dryomov
parent c9ed51c912
commit 17173c82e3
1 changed files with 4 additions and 4 deletions
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8
net/ceph/ceph_common.c
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@ -379,7 +379,7 @@ ceph_parse_options(char *options, const char *dev_name,
/* parse mount options */
while ((c = strsep(&options, ",")) != NULL) {
int token, intval, ret;
int token, intval;
if (!*c)
continue;
err = -EINVAL;
@ -394,11 +394,11 @@ ceph_parse_options(char *options, const char *dev_name,
continue;
}
if (token < Opt_last_int) {
ret = match_int(&argstr[0], &intval);
if (ret < 0) {
err = match_int(&argstr[0], &intval);
if (err < 0) {
pr_err("bad mount option arg (not int) "
"at '%s'\n", c);
continue;
goto out;
}
dout("got int token %d val %d\n", token, intval);
} else if (token > Opt_last_int && token < Opt_last_string) {