[PATCH] Staging: media: davinci_vpfe Fix resource leaks in error paths.

From: Arvind Yadav
Date: Wed Jun 07 2017 - 09:44:59 EST


Free memory, if ipipe_s_config and ipipe_g_config are not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/staging/media/davinci_vpfe/dm365_ipipe.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/davinci_vpfe/dm365_ipipe.c b/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
index 6a3434c..b6994ee 100644
--- a/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
+++ b/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
@@ -1286,15 +1286,20 @@ static int ipipe_s_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
if (to && from && size) {
if (copy_from_user(to, from, size)) {
rval = -EFAULT;
+ kfree(params);
break;
}
rval = module_if->set(ipipe, to);
- if (rval)
+ if (rval) {
+ kfree(params);
goto error;
+ }
} else if (to && !from && size) {
rval = module_if->set(ipipe, NULL);
- if (rval)
+ if (rval) {
+ kfree(params);
goto error;
+ }
}
kfree(params);
}
@@ -1328,10 +1333,13 @@ static int ipipe_g_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)

if (to && from && size) {
rval = module_if->get(ipipe, from);
- if (rval)
+ if (rval) {
+ kfree(params);
goto error;
+ }
if (copy_to_user(to, from, size)) {
rval = -EFAULT;
+ kfree(params);
break;
}
}
--
1.9.1