* [patch] btrfs: add check for ERR_PTR()
@ 2010-04-21 10:32 Dan Carpenter
0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-04-21 10:32 UTC (permalink / raw)
To: Chris Mason
Cc: Al Viro, Joel Becker, James Morris, Christoph Hellwig,
linux-btrfs, kernel-janitors
posix_acl_from_xattr() can sometimes return an ERR_PTR().
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 6ef7b26..c6d84ce 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -60,7 +60,8 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
size = __btrfs_getxattr(inode, name, value, size);
if (size > 0) {
acl = posix_acl_from_xattr(value, size);
- set_cached_acl(inode, type, acl);
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
}
kfree(value);
} else if (size == -ENOENT || size == -ENODATA || size == 0) {
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2010-04-21 10:32 [patch] btrfs: add check for ERR_PTR() Dan Carpenter
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