Messages in this thread Patch in this message | | | Date | Thu, 26 Jul 2012 23:43:22 +0200 (CEST) | From | Jesper Juhl <> | Subject | [PATCH 1/5] staging: vt6656: don't leak 'param' in vt6656_hostap_ioctl() when returning -EOPNOTSUPP |
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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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