MIPS: malta: memory.c: Initialize the 'memsize' variable

If the 'memsize' environmental variable is not set by the bootloader
the 'memsize' variable is not initialized, leading to potential memory
problems. This patch fixes the problem by setting the initial
value to '0' to force the kernel to set a good default memory size.

Cc: <stable@vger.kernel.org> # v3.15+
Reported-by: Matheus Almeida <Matheus.Almeida@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/6984/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Markos Chandras 2014-05-23 13:31:31 +01:00 committed by Ralf Baechle
parent 721a920539
commit 2ff89d64f2

View file

@ -27,7 +27,7 @@ unsigned long physical_memsize = 0L;
fw_memblock_t * __init fw_getmdesc(int eva)
{
char *memsize_str, *ememsize_str __maybe_unused = NULL, *ptr;
unsigned long memsize, ememsize __maybe_unused = 0;
unsigned long memsize = 0, ememsize __maybe_unused = 0;
static char cmdline[COMMAND_LINE_SIZE] __initdata;
int tmp;