From: Leo Kim Date: Mon, 21 Dec 2015 05:18:24 +0000 (+0900) Subject: staging: wilc1000: fixes potential null dereference 'wid.val' X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=653bb46301617e39e720e60fa2e0a01f946c9a6e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git staging: wilc1000: fixes potential null dereference 'wid.val' This patch fixes the error reported by smatch. - Handle_ListenStateExpired() error: potential null dereference 'wid.val' If kmalloc failed, referenced to a NULL pointer. Signed-off-by: Leo Kim Signed-off-by: Glen Lee Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index d1707f6f0dcc..2289ba344300 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -2635,8 +2635,10 @@ static u32 Handle_ListenStateExpired(struct host_if_drv *hif_drv, wid.size = 2; wid.val = kmalloc(wid.size, GFP_KERNEL); - if (!wid.val) + if (!wid.val) { PRINT_ER("Failed to allocate memory\n"); + return -ENOMEM; + } wid.val[0] = u8remain_on_chan_flag; wid.val[1] = FALSE_FRMWR_CHANNEL;