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Btrfs: handle ERR_PTR from posix_acl_from_xattr()

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posix_acl_from_xattr() returns both ERR_PTRs and null, but it's OK to
pass null values to set_cached_acl()

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Dan Carpenter 2010-05-29 09:48:35 +00:00 committed by Chris Mason
parent 15e7000095
commit 834e74759a
1 changed files with 2 additions and 0 deletions
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fs/btrfs/acl.c
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@ -60,6 +60,8 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
size = __btrfs_getxattr(inode, name, value, size); size = __btrfs_getxattr(inode, name, value, size);
if (size > 0) { if (size > 0) {
acl = posix_acl_from_xattr(value, size); acl = posix_acl_from_xattr(value, size);
if (IS_ERR(acl))
return acl;
set_cached_acl(inode, type, acl); set_cached_acl(inode, type, acl);
} }
kfree(value); kfree(value);