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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-07-05 08:05:46 +0200 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-07-12 09:22:46 +0200 |
| commit | d2a65ce2ac224413b291307201c5dafb03aa90d7 (patch) | |
| tree | 398b6ca67bada221c6f56dc0adec950f63fbc0d8 /drivers/md/bcache/sysfs.c | |
| parent | bcache: Fix a dumb race (diff) | |
| download | linux-d2a65ce2ac224413b291307201c5dafb03aa90d7.tar.xz linux-d2a65ce2ac224413b291307201c5dafb03aa90d7.zip | |
bcache: check for allocation failures
There is a missing NULL check after the kzalloc().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index dd3f00a42729..12a2c2846f99 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -232,6 +232,8 @@ STORE(__cached_dev) bch_uuid_write(dc->disk.c); } env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL); + if (!env) + return -ENOMEM; add_uevent_var(env, "DRIVER=bcache"); add_uevent_var(env, "CACHED_UUID=%pU", dc->sb.uuid), add_uevent_var(env, "CACHED_LABEL=%s", buf); |