From: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx> Subject: vmalloc: remove redundant NULL check Fix below warnings reported by coccicheck: ./fs/proc/vmcore.c:1503:2-7: WARNING: NULL check before some freeing functions is not needed. Link: https://lkml.kernel.org/r/1611216753-44598-1-git-send-email-abaci-bugfix@xxxxxxxxxxxxxxxxx Signed-off-by: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Acked-by: Baoquan He <bhe@xxxxxxxxxx> Cc: Dave Young <dyoung@xxxxxxxxxx> Cc: Vivek Goyal <vgoyal@xxxxxxxxxx> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: "Uladzislau Rezki (Sony)" <urezki@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/vmcore.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) --- a/fs/proc/vmcore.c~vmalloc-remove-redundant-null-check +++ a/fs/proc/vmcore.c @@ -1503,11 +1503,8 @@ int vmcore_add_device_dump(struct vmcore return 0; out_err: - if (buf) - vfree(buf); - - if (dump) - vfree(dump); + vfree(buf); + vfree(dump); return ret; } _