Commit c88c5786 authored Nov 02, 2007 by Danny Baumann Committed by Len Brown Nov 19, 2007

ACPI: Video: Increase buffer size for writes to brightness proc file.

In order to be able to write the value "100"
to /proc/acpi/video/.../brightness, we have to allocate 5 bytes:
4 characters will be written (1, 0, 0 plus null byte),
and 1 byte should be buffer for a terminating NULL character.

http://bugzilla.kernel.org/show_bug.cgi?id=9278



Signed-off-by: Danny Baumann <dannybaumann@web.de>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

parent a4f0c276

drivers/acpi/video.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -897,7 +897,7 @@ acpi_video_device_write_brightness(struct file *file,
		{
		struct seq_file *m = file->private_data;
		struct acpi_video_device *dev = m->private;
		char str[4] = { 0 };
		char str[5] = { 0 };
		unsigned int level = 0;
		int i;