+ drivers-media-video-zc0301-zc0301_corec-improve-error-handling.patch added to -mm tree

+ drivers-media-video-zc0301-zc0301_corec-improve-error-handling.patch added to -mm tree

[akpm]

The patch titled
     drivers/media/video/zc0301/zc0301_core.c: improve error handling
has been added to the -mm tree.  Its filename is
     drivers-media-video-zc0301-zc0301_corec-improve-error-handling.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: drivers/media/video/zc0301/zc0301_core.c: improve error handling
From: Dan Carpenter <error27@gmail.com>

Return an error if the controller is not found.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/media/video/zc0301/zc0301_core.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff -puN drivers/media/video/zc0301/zc0301_core.c~drivers-media-video-zc0301-zc0301_corec-improve-error-handling drivers/media/video/zc0301/zc0301_core.c
--- a/drivers/media/video/zc0301/zc0301_core.c~drivers-media-video-zc0301-zc0301_corec-improve-error-handling
+++ a/drivers/media/video/zc0301/zc0301_core.c
@@ -1153,7 +1153,7 @@ zc0301_vidioc_s_ctrl(struct zc0301_devic
 	if (copy_from_user(&ctrl, arg, sizeof(ctrl)))
 		return -EFAULT;
 
-	for (i = 0; i < ARRAY_SIZE(s->qctrl); i++)
+	for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) {
 		if (ctrl.id == s->qctrl[i].id) {
 			if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED)
 				return -EINVAL;
@@ -1163,7 +1163,9 @@ zc0301_vidioc_s_ctrl(struct zc0301_devic
 			ctrl.value -= ctrl.value % s->qctrl[i].step;
 			break;
 		}
-
+	}
+	if (i == ARRAY_SIZE(s->qctrl))
+		return -EINVAL;
 	if ((err = s->set_ctrl(cam, &ctrl)))
 		return err;
 
_

Patches currently in -mm which might be from error27@gmail.com are

linux-next.patch
power_meter-acpi_device_class-power_meter_resource-too-long.patch
dpt_i20-several-use-after-free-issues.patch
sbshc-acpi_device_class-smbus_host_controller-too-long.patch
acpi_pad-processor_aggregator-name-too-long.patch
drivers-gpu-drm-via-via_videoc-fix-off-by-one-issue.patch
backlight-backlight_device_register-return-err_ptr.patch
scsi-remove-superfluous-null-pointer-check-from-scsi_kill_request.patch
iscsi-change-to.patch
drbd-potential-null-dereference.patch
musb-potential-use-after-free.patch
dynamic_debug-small-cleanup-in-ddebug_proc_write.patch
sis-strcpy-=-strlcpy.patch
proc-cleanup-remove-unused-assignments.patch
drivers-media-video-au0828-au0828-videoc-off-by-one-bug.patch
drivers-gpu-drm-radeon-radeon_atombiosc-range-check-issues.patch
drivers-gpu-drm-drm_sysfsc-sysfs-files-error-handling.patch
drivers-gpu-drm-drm_memoryc-fix-check-for-end-of-loop.patch
drivers-mfd-pcf50633-corec-off-by-one-issue.patch
drivers-staging-otus-hal-hpanic-using-the-wrong-variable.patch
drivers-staging-comedi-drivers-dt2801c-off-by-one-issue.patch
drivers-media-video-zc0301-zc0301_corec-improve-error-handling.patch
drivers-media-video-et61x251-et61x251_corec-improve-error-handling.patch
drivers-media-video-sn9c102-sn9c102_corec-improve-error-handling.patch