Commit f0ee1a6d authored by Geliang Tang's avatar Geliang Tang Committed by Andy Shevchenko
Browse files

platform/x86: toshiba_acpi: use memdup_user_nul 



Use memdup_user_nul() helper instead of open-coding to simplify the
code.

Signed-off-by: default avatarGeliang Tang <geliangtang@gmail.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent 7f363145

drivers/platform/x86/toshiba_acpi.c

+3 −8
Original line number Diff line number Diff line
@@ -1502,14 +1502,9 @@ static ssize_t video_proc_write(struct file *file, const char __user *buf, 
	int ret;

	u32 video_out;



	cmd = kmalloc(count + 1, GFP_KERNEL);

	if (!cmd)

		return -ENOMEM;

	if (copy_from_user(cmd, buf, count)) {

		kfree(cmd);

		return -EFAULT;

	}

	cmd[count] = '\0';

	cmd = memdup_user_nul(buf, count);

	if (IS_ERR(cmd))

		return PTR_ERR(cmd);



	buffer = cmd;

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