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usb: phy: mv-otg: use to_delayed_work instead of cast

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Directly casting a work_struct pointer to a delayed_work is risky if the
work member of struct delayed_work is ever moved from being the first
member.

Instead, use the inline function to_delayed_work(), which does the same
cast in a safer way (using container_of).

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Cesar Eduardo Barros 2012-12-04 20:21:12 -02:00 committed by Felipe Balbi
parent b2e587dbb7
commit 63a1307930
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/otg/mv_otg.c
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@ -420,7 +420,7 @@ static void mv_otg_work(struct work_struct *work)
struct usb_otg *otg;
int old_state;
mvotg = container_of((struct delayed_work *)work, struct mv_otg, work);
mvotg = container_of(to_delayed_work(work), struct mv_otg, work);
run:
/* work queue is single thread, or we need spin_lock to protect */