diff mbox

[1/5] powerpc-mpic: Use kmalloc_array() in mpic_init()

Message ID 8fe4b2fb-c27d-4932-bbcc-23899afa932d@users.sourceforge.net (mailing list archive)
State Not Applicable
Headers show

Commit Message

SF Markus Elfring Aug. 29, 2016, 11:07 a.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 29 Aug 2016 11:00:11 +0200

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 arch/powerpc/sysdev/mpic.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 7de45b2..5e79c0d24 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1641,8 +1641,9 @@  void __init mpic_init(struct mpic *mpic)
 
 #ifdef CONFIG_PM
 	/* allocate memory to save mpic state */
-	mpic->save_data = kmalloc(mpic->num_sources * sizeof(*mpic->save_data),
-				  GFP_KERNEL);
+	mpic->save_data = kmalloc_array(mpic->num_sources,
+					sizeof(*mpic->save_data),
+					GFP_KERNEL);
 	BUG_ON(mpic->save_data == NULL);
 #endif