[PATCH] drm/amd: use kmalloc_array over kmalloc with multiply

Bernard Zhao bernard at vivo.com
Wed Mar 31 13:12:18 UTC 2021


Fix patch check warning:
WARNING: Prefer kmalloc_array over kmalloc with multiply
+	buf = kmalloc(MAX_KFIFO_SIZE * sizeof(*buf), GFP_KERNEL);

Signed-off-by: Bernard Zhao <bernard at vivo.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index 17d1736367ea..246522423559 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
@@ -81,7 +81,7 @@ static ssize_t kfd_smi_ev_read(struct file *filep, char __user *user,
 	struct kfd_smi_client *client = filep->private_data;
 	unsigned char *buf;
 
-	buf = kmalloc(MAX_KFIFO_SIZE * sizeof(*buf), GFP_KERNEL);
+	buf = kmalloc_array(MAX_KFIFO_SIZE, sizeof(*buf), GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-- 
2.31.0



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