[git:media_tree/master] media: solo6x10: use 'time_left' variable with wait_for_completion_timeout()

[Hans Verkuil]

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Subject: media: solo6x10: use 'time_left' variable with 
wait_for_completion_timeout()
Author:  Wolfram Sang <wsa+rene...@sang-engineering.com>
Date:    Mon Aug 5 23:51:19 2024 +0200

There is a confusing pattern in the kernel to use a variable named
'timeout' to store the result of wait_for_completion_timeout() causing
patterns like:

        timeout = wait_for_completion_timeout(...)
        if (!timeout) return -ETIMEDOUT;

with all kinds of permutations. Use 'time_left' as a variable to make the
code self explaining.

Fix to the proper variable type 'unsigned long' while here.

Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com>
Acked-by: Ismael Luceno <ism...@iodev.co.uk>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>

 drivers/media/pci/solo6x10/solo6x10-p2m.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

---

diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c 
b/drivers/media/pci/solo6x10/solo6x10-p2m.c
index ca70a864a3ef..5f100e5e03d9 100644
--- a/drivers/media/pci/solo6x10/solo6x10-p2m.c
+++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c
@@ -57,7 +57,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev,
                      int desc_cnt)
 {
        struct solo_p2m_dev *p2m_dev;
-       unsigned int timeout;
+       unsigned long time_left;
        unsigned int config = 0;
        int ret = 0;
        unsigned int p2m_id = 0;
@@ -99,12 +99,12 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev,
                               desc[1].ctrl);
        }
 
-       timeout = wait_for_completion_timeout(&p2m_dev->completion,
-                                             solo_dev->p2m_jiffies);
+       time_left = wait_for_completion_timeout(&p2m_dev->completion,
+                                               solo_dev->p2m_jiffies);
 
        if (WARN_ON_ONCE(p2m_dev->error))
                ret = -EIO;
-       else if (timeout == 0) {
+       else if (time_left == 0) {
                solo_dev->p2m_timeouts++;
                ret = -EAGAIN;
        }