diff mbox

carl9170: match wait_for_completion_timeout return type

Message ID 1431454718-23701-1-git-send-email-hofrat@osadl.org
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show

Commit Message

Nicholas Mc Guire May 12, 2015, 6:18 p.m. UTC
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added, and the assignments
as well as error checking fixed up.

API conformance testing for completions with coccinelle spatches are being
used to locate API usage inconsistencies:
./drivers/net/wireless/ath/carl9170/usb.c:675 
	int return assigned to unsigned long

Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARDS=m,
CONFIG_CARL9170=m

Patch is against 4.1-rc3 (localversion-next is -next-20150512)

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
---
 drivers/net/wireless/ath/carl9170/usb.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

Christian Lamparter May 13, 2015, 2:40 p.m. UTC | #1
On Tue, May 12, 2015 at 8:18 PM, Nicholas Mc Guire <hofrat@osadl.org> wrote:
> Return type of wait_for_completion_timeout is unsigned long not int.
> An appropriately named unsigned long is added, and the assignments
> as well as error checking fixed up.
>
> API conformance testing for completions with coccinelle spatches are being
> used to locate API usage inconsistencies:
> ./drivers/net/wireless/ath/carl9170/usb.c:675
>         int return assigned to unsigned long
>
> Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARDS=m,
> CONFIG_CARL9170=m
>
> Patch is against 4.1-rc3 (localversion-next is -next-20150512)
>
> Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
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Kalle Valo May 26, 2015, 10:53 a.m. UTC | #2
> Return type of wait_for_completion_timeout is unsigned long not int.
> An appropriately named unsigned long is added, and the assignments
> as well as error checking fixed up.
> 
> API conformance testing for completions with coccinelle spatches are being
> used to locate API usage inconsistencies:
> ./drivers/net/wireless/ath/carl9170/usb.c:675 
> 	int return assigned to unsigned long
> 
> Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARDS=m,
> CONFIG_CARL9170=m
> 
> Patch is against 4.1-rc3 (localversion-next is -next-20150512)
> 
> Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
> Acked-by: Christian Lamparter <chunkeey@googlemail.com>

Thanks, applied to wireless-drivers-next.git.

Kalle Valo
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diff mbox

Patch

diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index c9f9331..76842e6 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -651,6 +651,7 @@  int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids cmd,
 	unsigned int plen, void *payload, unsigned int outlen, void *out)
 {
 	int err = -ENOMEM;
+	unsigned long time_left;
 
 	if (!IS_ACCEPTING_CMD(ar))
 		return -EIO;
@@ -672,8 +673,8 @@  int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids cmd,
 	err = __carl9170_exec_cmd(ar, &ar->cmd, false);
 
 	if (!(cmd & CARL9170_CMD_ASYNC_FLAG)) {
-		err = wait_for_completion_timeout(&ar->cmd_wait, HZ);
-		if (err == 0) {
+		time_left = wait_for_completion_timeout(&ar->cmd_wait, HZ);
+		if (time_left == 0) {
 			err = -ETIMEDOUT;
 			goto err_unbuf;
 		}