[PATCH] uio: remove redundant check

[Chengguang Xu]

It is not necessary to check idev->info several times under
mutex lock, so just remove redundant check.

Signed-off-by: Chengguang Xu <cgxu...@gmx.com>
---
 drivers/uio/uio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 46e5c1c31ebe..effe72834c2f 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -494,7 +494,7 @@ static int uio_open(struct inode *inode, struct file *filep)
                goto err_infoopen;
        }
 
-       if (idev->info && idev->info->open)
+       if (idev->info->open)
                ret = idev->info->open(idev->info, inode);
        mutex_unlock(&idev->info_lock);
        if (ret)
@@ -635,7 +635,7 @@ static ssize_t uio_write(struct file *filep, const char 
__user *buf,
                goto out;
        }
 
-       if (!idev->info || !idev->info->irq) {
+       if (!idev->info->irq) {
                retval = -EIO;
                goto out;
        }
-- 
2.17.2