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brcm80211: fmac: fix a couple checking after dereference bugs

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There were two dereferencing before checking for NULL static checker
complaints in this new file.  The list cursor is never NULL so that
check can be removed.  I moved the other dereference after the check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Carpenter 2012-02-24 09:22:27 +03:00 committed by John W. Linville
parent 06d9b6ac75
commit d4ca00992c
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/brcm80211/brcmfmac/usb.c
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@ -482,7 +482,7 @@ static void brcmf_usb_free_q(struct list_head *q, bool pending)
struct brcmf_usbreq *req, *next;
int i = 0;
list_for_each_entry_safe(req, next, q, list) {
if (!req || !req->urb) {
if (!req->urb) {
brcmf_dbg(ERROR, "bad req\n");
break;
}
@ -712,12 +712,12 @@ static int brcmf_usb_up(struct device *dev)
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
u16 ifnum;
if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
return 0;
if (devinfo == NULL)
return -EINVAL;
if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
return 0;
/* If the USB/HSIC bus in sleep state, wake it up */
if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) {
if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {