Btrfs: handle ERR_PTR from posix_acl_from_xattr()
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>
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@ -60,6 +60,8 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
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size = __btrfs_getxattr(inode, name, value, size);
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if (size > 0) {
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acl = posix_acl_from_xattr(value, size);
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if (IS_ERR(acl))
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return acl;
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set_cached_acl(inode, type, acl);
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}
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kfree(value);
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