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Subject[PATCH] driver: uio: fix possible memory leak in uio_open
Date
Fixes: 57c5f4df0a5a ("uio: fix crash after the device is unregistered")
Signed-off-by: liujian <liujian56@huawei.com>
---
drivers/uio/uio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 5c10fc7..bde7d7a 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -496,7 +496,7 @@ static int uio_open(struct inode *inode, struct file *filep)
if (!idev->info) {
mutex_unlock(&idev->info_lock);
ret = -EINVAL;
- goto err_alloc_listener;
+ goto err_infoopen;
}

if (idev->info && idev->info->open)
@@ -508,6 +508,7 @@ static int uio_open(struct inode *inode, struct file *filep)
return 0;

err_infoopen:
+ filep->private_data = NULL;
kfree(listener);

err_alloc_listener:
--
2.7.4
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