brcmfmac: use vmalloc to allocate mem for the firmware

The firmware is more than 300KB big and you should not use kmalloc for
such big allocations. This allocation with kmalloc failed on my mips
based device (BCM47186).

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index 1d67ecf681b767b43bd739568435fba67aad7b83..3e3524756263e33808af714bab7c564b9df9ea86 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -28,6 +28,7 @@
 #include <linux/uaccess.h>
 #include <linux/firmware.h>
 #include <linux/usb.h>
+#include <linux/vmalloc.h>
 #include <net/cfg80211.h>
 
 #include <defs.h>
@@ -1239,7 +1240,7 @@ static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
                return -EINVAL;
        }
 
-       devinfo->image = kmalloc(fw->size, GFP_ATOMIC); /* plus nvram */
+       devinfo->image = vmalloc(fw->size); /* plus nvram */
        if (!devinfo->image)
                return -ENOMEM;
 
@@ -1602,7 +1603,7 @@ static struct usb_driver brcmf_usbdrvr = {
 void brcmf_usb_exit(void)
 {
        usb_deregister(&brcmf_usbdrvr);
-       kfree(g_image.data);
+       vfree(g_image.data);
        g_image.data = NULL;
        g_image.len = 0;
 }