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apparmor: Use IS_ERR_OR_NULL() helper function

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Use the IS_ERR_OR_NULL() helper instead of open-coding a
NULL and an error pointer checks to simplify the code and
improve readability.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Hongbo Li 2024-08-28 20:26:18 +08:00 committed by John Johansen
parent 9208c05f9f
commit c030937306
1 changed files with 1 additions and 1 deletions
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2
security/apparmor/path.c
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@ -130,7 +130,7 @@ static int d_namespace_path(const struct path *path, char *buf, char **name,
/* handle error conditions - and still allow a partial path to
* be returned.
*/
if (!res || IS_ERR(res)) {
if (IS_ERR_OR_NULL(res)) {
if (PTR_ERR(res) == -ENAMETOOLONG) {
error = -ENAMETOOLONG;
*name = buf;