msm: sde: Add mutex unlock for debug buffer access in rotator



mutex lock should be unlocked before returning if the offset is not right.

Change-Id: I11945696d2c4078c28266312915837a812fedcc8
Signed-off-by: Yunyun Cao <yunyunc@codeaurora.org>

parent 61240ba4

drivers/media/platform/msm/sde/rotator/sde_rotator_debug.c

+4 −2

Original line number	Original line	Diff line number	Diff line
	@@ -1271,8 +1271,10 @@ static ssize_t sde_rotator_debug_base_reg_read(struct file *file,
	goto debug_read_error;		goto debug_read_error;
	}		}

	if (dbg->off % sizeof(u32))		if (dbg->off % sizeof(u32)) {
	return -EFAULT;		rc = -EFAULT;
			goto debug_read_error;
			}

	ptr = dbg->base + dbg->off;		ptr = dbg->base + dbg->off;
	tot = 0;		tot = 0;