[PATCH] rpmsg: char: release allocated memory

[Navid Emamdoost]

In rpmsg_eptdev_write_iter, if copy_from_iter_full fails the allocated
buffer needs to be released.

Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 drivers/rpmsg/rpmsg_char.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index eea5ebbb5119..c655074c07c2 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -227,8 +227,10 @@ static ssize_t rpmsg_eptdev_write_iter(struct kiocb *iocb,
        if (!kbuf)
                return -ENOMEM;
 
-       if (!copy_from_iter_full(kbuf, len, from))
-               return -EFAULT;
+       if (!copy_from_iter_full(kbuf, len, from)) {
+               ret = -EFAULT;
+               goto free_kbuf;
+       }
 
        if (mutex_lock_interruptible(&eptdev->ept_lock)) {
                ret = -ERESTARTSYS;
-- 
2.17.1