Commit 9fef7685 authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller

mISDN: fix possible memory leak in hfcmulti_init()

hc has been allocated in this function and missing free it before
leaving from some error handling cases.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: 's avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: 's avatarDavid S. Miller <davem@davemloft.net>
parent b379135c
......@@ -5059,6 +5059,7 @@ hfcmulti_init(struct hm_map *m, struct pci_dev *pdev,
printk(KERN_INFO
"HFC-E1 #%d has overlapping B-channels on fragment #%d\n",
E1_cnt + 1, pt);
kfree(hc);
return -EINVAL;
}
maskcheck |= hc->bmask[pt];
......@@ -5086,6 +5087,7 @@ hfcmulti_init(struct hm_map *m, struct pci_dev *pdev,
if ((poll >> 1) > sizeof(hc->silence_data)) {
printk(KERN_ERR "HFCMULTI error: silence_data too small, "
"please fix\n");
kfree(hc);
return -EINVAL;
}
for (i = 0; i < (poll >> 1); i++)
......
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