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brcm80211: fix missing allocation failure check

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Check for oobirq_entry allocation failure to avoid
NULL pointer dereferencing.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Colin Ian King
2012-09-10 10:05:26 +01:00
committed by John W. Linville
parent 74673db99c
commit 4abd044af9
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
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@@ -638,6 +638,8 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev)
oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq), oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq),
GFP_KERNEL); GFP_KERNEL);
if (!oobirq_entry)
return -ENOMEM;
oobirq_entry->irq = res->start; oobirq_entry->irq = res->start;
oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK; oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK;
list_add_tail(&oobirq_entry->list, &oobirq_lh); list_add_tail(&oobirq_entry->list, &oobirq_lh);