diff options
| author | Dongliang Mu <dzm91@hust.edu.cn> | 2023-03-16 16:32:36 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-05-27 11:30:31 +0300 |
| commit | 072210c725c4938682e58236eeeb19a2ddd0b817 (patch) | |
| tree | 1916ab0f10f424fc5f632dbbca46768313ea8660 /drivers/net/wireless/legacy | |
| parent | daef020558bc34e8031263aa7cf9e803d709f93a (diff) | |
| download | linux-072210c725c4938682e58236eeeb19a2ddd0b817.tar.xz | |
wifi: ray_cs: add sanity check on local->sram/rmem/amem
The ray_config uses ray_release as its unified error handling function.
However, it does not know if local->sram/rmem/amem succeeds or not.
Fix this by adding sanity check on local->sram/rmem/amem in the
ray_relase.
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230316133236.556198-3-dzm91@hust.edu.cn
Diffstat (limited to 'drivers/net/wireless/legacy')
| -rw-r--r-- | drivers/net/wireless/legacy/ray_cs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/wireless/legacy/ray_cs.c b/drivers/net/wireless/legacy/ray_cs.c index 93eaf3dba6a9..4b53a9c70e7e 100644 --- a/drivers/net/wireless/legacy/ray_cs.c +++ b/drivers/net/wireless/legacy/ray_cs.c @@ -738,9 +738,12 @@ static void ray_release(struct pcmcia_device *link) del_timer_sync(&local->timer); - iounmap(local->sram); - iounmap(local->rmem); - iounmap(local->amem); + if (local->sram) + iounmap(local->sram); + if (local->rmem) + iounmap(local->rmem); + if (local->amem) + iounmap(local->amem); pcmcia_disable_device(link); dev_dbg(&link->dev, "ray_release ending\n"); |