The return value of memdup_user is a pointer to errno.Freeing it will cause
error.Hence set it to NULL before branching to free the pointer.smatch also
raises the same warning.
Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@xxxxxxxxxxx>
---
drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index 42fba3f..9d59be8 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -1915,6 +1915,7 @@ static int r871x_mp_ioctl_hdl(struct net_device *dev,
pparmbuf = memdup_user(p->pointer, len);
if (IS_ERR(pparmbuf)) {
ret = PTR_ERR(pparmbuf);
+ pparmbuf = NULL;
goto _r871x_mp_ioctl_hdl_exit;
}
poidparam = (struct mp_ioctl_param *)pparmbuf;
--
1.9.1
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
