[PATCH v1 4/7] usbnet: cdc_mbim: don't recover device if suspend fails in system sleep
From: Ming Lei <hidden>
Date: 2013-03-06 10:26:52
Also in:
linux-input
Subsystem:
networking drivers, the rest, usb cdc ethernet driver, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Oliver Neukum
If suspend callback fails in system sleep context, usb core will ignore the failure and let system sleep go ahead further, so this patch doesn't recover device under this situation. Cc: Bjørn Mork <bjorn@mork.no> Signed-off-by: Ming Lei <redacted> --- drivers/net/usb/cdc_mbim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 248d2dc..ec58c2c 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c@@ -338,7 +338,7 @@ static int cdc_mbim_suspend(struct usb_interface *intf, pm_message_t message) if (intf == ctx->control && info->subdriver && info->subdriver->suspend) ret = info->subdriver->suspend(intf, message); - if (ret < 0) + if (ret < 0 && PMSG_IS_AUTO(message)) usbnet_resume(intf); error:
--
1.7.9.5
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