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brcmfmac: Check null pointer on brcmf_dev_reset. 

When unloading it is possible that drvr is not null, but iflist[0]
is. So check iflist[0] pointer before using it.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-02-08 12:06:32 +01:00 committed by John W. Linville
parent 2880b86859
commit 643ecaab35
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
View File

@ -842,7 +842,8 @@ void brcmf_dev_reset(struct device *dev)
if (drvr == NULL)
return;
brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
if (drvr->iflist[0])
brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
}
void brcmf_detach(struct device *dev)