diff options
| author | Tony Lindgren <tony@atomide.com> | 2018-08-28 19:58:03 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2018-08-28 19:58:03 +0300 |
| commit | ea4d65f14f6aaa53e379b93c5544245ef081b3e7 (patch) | |
| tree | a15485f4f1cf547a52b31fa8e16e14b9579b7200 /drivers/usb/core/message.c | |
| parent | ce32d59ee2cd036f6e8a6ed17a06a0b0bec5c67c (diff) | |
| parent | 496f3347d834aec91c38b45d6249ed00f58ad233 (diff) | |
| download | linux-ea4d65f14f6aaa53e379b93c5544245ef081b3e7.tar.xz | |
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 1a15392326fc..228672f2c4a1 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -269,10 +269,11 @@ static void sg_clean(struct usb_sg_request *io) static void sg_complete(struct urb *urb) { + unsigned long flags; struct usb_sg_request *io = urb->context; int status = urb->status; - spin_lock(&io->lock); + spin_lock_irqsave(&io->lock, flags); /* In 2.5 we require hcds' endpoint queues not to progress after fault * reports, until the completion callback (this!) returns. That lets @@ -306,7 +307,7 @@ static void sg_complete(struct urb *urb) * unlink pending urbs so they won't rx/tx bad data. * careful: unlink can sometimes be synchronous... */ - spin_unlock(&io->lock); + spin_unlock_irqrestore(&io->lock, flags); for (i = 0, found = 0; i < io->entries; i++) { if (!io->urbs[i]) continue; @@ -323,7 +324,7 @@ static void sg_complete(struct urb *urb) } else if (urb == io->urbs[i]) found = 1; } - spin_lock(&io->lock); + spin_lock_irqsave(&io->lock, flags); } /* on the last completion, signal usb_sg_wait() */ @@ -332,7 +333,7 @@ static void sg_complete(struct urb *urb) if (!io->count) complete(&io->complete); - spin_unlock(&io->lock); + spin_unlock_irqrestore(&io->lock, flags); } |