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authorMaximilian Luz <luzmaximilian@gmail.com>2021-06-04 15:25:40 +0200
committerHans de Goede <hdegoede@redhat.com>2021-06-16 17:47:52 +0200
commita32348b743eec51ac01334735a0b6c979157b132 (patch)
tree979bbeafde015277f6093a34bb5482b9e85dbc0a /drivers/platform
parentplatform/x86: dell-wmi-sysman: fw_attr_inuse can be static (diff)
downloadlinux-a32348b743eec51ac01334735a0b6c979157b132.tar.xz
linux-a32348b743eec51ac01334735a0b6c979157b132.zip
platform/surface: dtx: Add missing mutex_destroy() call in failure path
When we fail to open the device file due to DTX being shut down, the mutex is initialized but never destroyed. We are destroying it when releasing the file, so add the missing call in the failure path as well. Fixes: 1d609992832e ("platform/surface: Add DTX driver") Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com> Link: https://lore.kernel.org/r/20210604132540.533036-1-luzmaximilian@gmail.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/surface/surface_dtx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/platform/surface/surface_dtx.c b/drivers/platform/surface/surface_dtx.c
index 5d9b758a99bb..1203b9a82993 100644
--- a/drivers/platform/surface/surface_dtx.c
+++ b/drivers/platform/surface/surface_dtx.c
@@ -427,6 +427,7 @@ static int surface_dtx_open(struct inode *inode, struct file *file)
*/
if (test_bit(SDTX_DEVICE_SHUTDOWN_BIT, &ddev->flags)) {
up_write(&ddev->client_lock);
+ mutex_destroy(&client->read_lock);
sdtx_device_put(client->ddev);
kfree(client);
return -ENODEV;