The patch titled
gpu: vga_switcheroo, fix lock imbalance
has been added to the -mm tree. Its filename is
gpu-vga_switcheroo-fix-lock-imbalance.patch
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------------------------------------------------------
Subject: gpu: vga_switcheroo, fix lock imbalance
From: Jiri Slaby <jslaby@xxxxxxx>
Stanse found that one error path in vga_switcheroo_debugfs_write omits to
unlock vgasr_mutex. Fix that.
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/vga/vga_switcheroo.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN drivers/gpu/vga/vga_switcheroo.c~gpu-vga_switcheroo-fix-lock-imbalance drivers/gpu/vga/vga_switcheroo.c
--- a/drivers/gpu/vga/vga_switcheroo.c~gpu-vga_switcheroo-fix-lock-imbalance
+++ a/drivers/gpu/vga/vga_switcheroo.c
@@ -276,8 +276,10 @@ vga_switcheroo_debugfs_write(struct file
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) {
_
Patches currently in -mm which might be from jslaby@xxxxxxx are
origin.patch
linux-next.patch
gpu-vga_switcheroo-fix-lock-imbalance.patch
kernel-user-remove-unreachable-code.patch
edac-add-__init-to-i7core_xeon_pci_fixup.patch
dvb-usb-gp8psk-fix-potential-null-derefernce.patch
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