Commit 653bb463 authored Dec 21, 2015 by Leo Kim Committed by Greg Kroah-Hartman Dec 21, 2015

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 <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 369a1d3b

drivers/staging/wilc1000/host_interface.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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;