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Subject[PATCH 1/5] staging: vt6656: don't leak 'param' in vt6656_hostap_ioctl() when returning -EOPNOTSUPP
Don't return -EOPNOTSUPP directly in switch case's since it'll leak
the memory allocated to 'param' when that variable goes out of scope
without having been assigned to anything.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
---
drivers/staging/vt6656/hostap.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index 51b5adf..bc49611 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -789,8 +789,8 @@ int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
break;
case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
- return -EOPNOTSUPP;
- break;
+ ret = -EOPNOTSUPP;
+ goto out;
case VIAWGET_HOSTAPD_FLUSH:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
spin_lock_irq(&pDevice->lock);
@@ -840,13 +840,13 @@ int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p)

case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
- return -EOPNOTSUPP;
-
+ ret = -EOPNOTSUPP;
+ goto out;
default:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
(int)param->cmd);
- return -EOPNOTSUPP;
- break;
+ ret = -EOPNOTSUPP;
+ goto out;
}


--
1.7.11.3

--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.



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