From 2160abb2945831aaf50d176ef6d070bdbd19130d Mon Sep 17 00:00:00 2001 From: Alexey Khoroshilov Date: Fri, 13 Feb 2015 19:39:03 -0300 Subject: [PATCH] [media] sh_vou: fix memory leak on error paths in sh_vou_open() Memory allocated for sh_vou_file is not deallocated on error paths in sh_vou_open(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/sh_vou.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index 261f1195b49f..6d1959d1ad02 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -1168,10 +1168,10 @@ static int sh_vou_open(struct file *file) dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); - file->private_data = vou_file; - - if (mutex_lock_interruptible(&vou_dev->fop_lock)) + if (mutex_lock_interruptible(&vou_dev->fop_lock)) { + kfree(vou_file); return -ERESTARTSYS; + } if (atomic_inc_return(&vou_dev->use_count) == 1) { int ret; /* First open */ @@ -1183,6 +1183,7 @@ static int sh_vou_open(struct file *file) pm_runtime_put(vou_dev->v4l2_dev.dev); vou_dev->status = SH_VOU_IDLE; mutex_unlock(&vou_dev->fop_lock); + kfree(vou_file); return ret; } } @@ -1195,6 +1196,8 @@ static int sh_vou_open(struct file *file) vou_dev->vdev, &vou_dev->fop_lock); mutex_unlock(&vou_dev->fop_lock); + file->private_data = vou_file; + return 0; }