Commit 8c88e50b authored Apr 27, 2010 by Jiri Slaby Committed by Dave Airlie Apr 28, 2010

gpu: vga_switcheroo, fix lock imbalance



Stanse found that one error path in vga_switcheroo_debugfs_write omits to
unlock vgasr_mutex.  Fix that.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 404b017d

drivers/gpu/vga/vga_switcheroo.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -276,8 +276,10 @@ vga_switcheroo_debugfs_write(struct file filp, const char __user ubuf,

		mutex_lock(&vgasr_mutex);

		if (!vgasr_priv.active)
		return -EINVAL;
		if (!vgasr_priv.active) {
		cnt = -EINVAL;
		goto out;
		}

		/* pwr off the device not in use */
		if (strncmp(usercmd, "OFF", 3) == 0) {