From 4f678a58d335291ce9213c049bbe16e6d24487ed Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Sun, 14 May 2006 01:07:18 +0200 Subject: [PATCH] mtd: fix memory leaks in phram_setup There are two code paths in drivers/mtd/devices/phram.c::phram_setup() that will leak memory. Memory is allocated to the variable 'name' with kmalloc() by the parse_name() function, but if we leave by way of the parse_err() macro, then that memory is never kfree()'d, nor is it ever used with register_device() so it won't be freed later either - leak. Found by the Coverity checker as #593 - simple fix below. Signed-off-by: Jesper Juhl Signed-off-by: David Woodhouse --- drivers/mtd/devices/phram.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index 41af9693d880..68d39cc9df71 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -266,12 +266,16 @@ static int phram_setup(const char *val, struct kernel_param *kp) return 0; ret = parse_num32(&start, token[1]); - if (ret) + if (ret) { + kfree(name); parse_err("illegal start address\n"); + } ret = parse_num32(&len, token[2]); - if (ret) + if (ret) { + kfree(name); parse_err("illegal device length\n"); + } register_device(name, start, len); -- 2.30.2