* [PATCH] staging: most: hdm-usb: Remove invalid reference error
@ 2016-03-11 18:41 Amitoj Kaur Chawla
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From: Amitoj Kaur Chawla @ 2016-03-11 18:41 UTC (permalink / raw)
To: outreachy-kernel
commit e3479f77("staging: most: hdm-usb: Remove create_workqueue()")
cancel_work_sync(&anchor->clear_work_obj) is introduced after freeing
`anchor` causing a invalid reference error. This patch removes this
error by shifting the call to cancel_work_sync before freeing
`anchor`.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
---
drivers/staging/most/hdm-usb/hdm_usb.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c
index 9d5555d..ff057b8 100644
--- a/drivers/staging/most/hdm-usb/hdm_usb.c
+++ b/drivers/staging/most/hdm-usb/hdm_usb.c
@@ -221,11 +221,10 @@ static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel)
}
spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags);
list_del(&anchor->list);
+ cancel_work_sync(&anchor->clear_work_obj);
kfree(anchor);
}
spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags);
-
- cancel_work_sync(&anchor->clear_work_obj);
}
/**
--
1.9.1
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2016-03-11 18:41 [PATCH] staging: most: hdm-usb: Remove invalid reference error Amitoj Kaur Chawla
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