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wifi: airo: avoid uninitialized warning in airo_get_rate()

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[ Upstream commit 9373771aaed17f5c2c38485f785568abe3a9f8c1 ]

Quieten a gcc (11.3.0) build error or warning by checking the function
call status and returning -EBUSY if the function call failed.
This is similar to what several other wireless drivers do for the
SIOCGIWRATE ioctl call when there is a locking problem.

drivers/net/wireless/cisco/airo.c: error: 'status_rid.currentXmitRate' is used uninitialized [-Werror=uninitialized]

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/39abf2c7-24a-f167-91da-ed4c5435d1c4@linux-m68k.org
Link: https://lore.kernel.org/r/20230709133154.26206-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Randy Dunlap 2023-07-09 06:31:54 -07:00 committed by Greg Kroah-Hartman
parent cc2c06ca7f
commit aadca5f08a
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/cisco/airo.c
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@ -6104,8 +6104,11 @@ static int airo_get_rate(struct net_device *dev,
{
struct airo_info *local = dev->ml_priv;
StatusRid status_rid; /* Card status info */
int ret;
readStatusRid(local, &status_rid, 1);
ret = readStatusRid(local, &status_rid, 1);
if (ret)
return -EBUSY;
vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
/* If more than one rate, set auto */