msm: mdss: Properly free memory in error case



Free previously allocated memory in error return cases to avoid
memory leak.

CRs-Fixed: 1005989
Change-Id: I9676eb2c75e7be42b1b1901194ba5c2a206dbeb3
Signed-off-by: Ping Li <pingli@codeaurora.org>

parent 22c4c57b

drivers/video/msm/mdss/mdss_dsi.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -649,8 +649,10 @@ static ssize_t mdss_dsi_cmd_state_write(struct file *file,
		return -ENOMEM;
		}

		if (copy_from_user(input, p, count))
		if (copy_from_user(input, p, count)) {
		kfree(input);
		return -EFAULT;
		}
		input[count-1] = '\0';

		if (strnstr(input, "dsi_hs_mode", strlen("dsi_hs_mode")))