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md/raid0: fix uninitialized variable bug

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If this function fails the callers expect that *private_conf is set to
an ERR_PTR() but that isn't true for the first error path where we can't
allocate "conf".  It leads to some uninitialized variable bugs.

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Shaohua Li <[email protected]>
This commit is contained in:
Dan Carpenter 2016-04-14 12:31:49 +03:00 • committed by Shaohua Li
commit 7dedd15dd2
1 changed files with 1 additions and 0 deletions
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1
drivers/md/raid0.c
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@ -85,6 +85,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
unsigned short blksize = 512;
*private_conf = ERR_PTR(-ENOMEM);
if (!conf)
return -ENOMEM;
rdev_for_each(rdev1, mddev) {