[PATCH] kcsan: Use min() to fix Coccinelle warning

From: Thorsten Blum
Date: Sun Jun 23 2024 - 18:08:23 EST


Fixes the following Coccinelle/coccicheck warning reported by
minmax.cocci:

WARNING opportunity for min()

Use size_t instead of int for the result of min().

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxxx>
---
kernel/kcsan/debugfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
index 1d1d1b0e4248..11b891fe6f7a 100644
--- a/kernel/kcsan/debugfs.c
+++ b/kernel/kcsan/debugfs.c
@@ -225,7 +225,7 @@ debugfs_write(struct file *file, const char __user *buf, size_t count, loff_t *o
{
char kbuf[KSYM_NAME_LEN];
char *arg;
- int read_len = count < (sizeof(kbuf) - 1) ? count : (sizeof(kbuf) - 1);
+ size_t read_len = min(count, (sizeof(kbuf) - 1));

if (copy_from_user(kbuf, buf, read_len))
return -EFAULT;
--
2.45.2