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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-03 15:31:00 +0800
committerDavid S. Miller <davem@davemloft.net>2012-09-03 15:37:29 -0400
commit9fef76857feed8e94ca3a5ee37db644f04a9488b (patch)
tree0b2e278ce7291cde1301fdb4d339ed0dc793f691 /drivers/isdn/hardware
parentb379135c40163ae79ba7a54e6928b53983e74ee8 (diff)
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: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/hardware')
-rw-r--r--drivers/isdn/hardware/mISDN/hfcmulti.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 5e402cf2e79..f02794203bb 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -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++)