[PATCH] xfs: Improve error handling in xfs_mru_cache_create()

From: Markus Elfring
Date: Tue Jun 10 2025 - 09:19:05 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 10 Jun 2025 14:50:07 +0200

Simplify error handling in this function implementation.

* Delete unnecessary pointer checks and variable assignments.

* Omit a redundant function call.


This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
fs/xfs/xfs_mru_cache.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c
index 08443ceec329..2ed679a52e41 100644
--- a/fs/xfs/xfs_mru_cache.c
+++ b/fs/xfs/xfs_mru_cache.c
@@ -320,7 +320,7 @@ xfs_mru_cache_create(
xfs_mru_cache_free_func_t free_func)
{
struct xfs_mru_cache *mru = NULL;
- int err = 0, grp;
+ int grp;
unsigned int grp_time;

if (mrup)
@@ -341,8 +341,8 @@ xfs_mru_cache_create(
mru->lists = kzalloc(mru->grp_count * sizeof(*mru->lists),
GFP_KERNEL | __GFP_NOFAIL);
if (!mru->lists) {
- err = -ENOMEM;
- goto exit;
+ kfree(mru);
+ return -ENOMEM;
}

for (grp = 0; grp < mru->grp_count; grp++)
@@ -361,14 +361,7 @@ xfs_mru_cache_create(
mru->free_func = free_func;
mru->data = data;
*mrup = mru;
-
-exit:
- if (err && mru && mru->lists)
- kfree(mru->lists);
- if (err && mru)
- kfree(mru);
-
- return err;
+ return 0;
}

/*
--
2.49.0