Commit df58d035 authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[ARM] Fix "apm -s" command hang 



Fix an apparant hang with the "apm -s" command.  We omitted to wake up
this process once resume had completed.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent b729c09a

arch/arm/kernel/apm.c

+8 −1
Original line number Diff line number Diff line
@@ -340,6 +340,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) 
			wait_event(apm_suspend_waitqueue,

				   as->suspend_state == SUSPEND_DONE);

		} else {

			as->suspend_state = SUSPEND_WAIT;

			up(&state_lock);



			/*
@@ -349,8 +350,14 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) 
			 * acknowledged.

			 */

			err = queue_suspend_event(APM_USER_SUSPEND, as);

			if (err < 0)

			if (err < 0) {

				/*

				 * Avoid taking the lock here - this

				 * should be fine.

				 */

				as->suspend_state = SUSPEND_NONE;

				break;

			}



			if (err > 0)

				apm_suspend();