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authorJesper Juhl <jesper.juhl@gmail.com>2006-05-14 01:42:25 +0200
committerDavid Woodhouse <dwmw2@infradead.org>2006-05-14 01:21:31 +0100
commita6550e57f9d074511cf420bdb802ab5e56edc3bb (patch)
tree56010126c6a1660b6fbd97765c73f8808214f98c /drivers/mtd
parent552d9205186428a1e2a49ed577bcbba9f777af37 (diff)
mtd: fix memory leak in block2mtd_setup()
There's a mem leak in drivers/mtd/devices/block2mtd.c::block2mtd_setup() We can leak 'name' allocated with kmalloc in 'parse_name' if leave via the 'parse_err' macro since it contains a return but doesn't do any freeing. Spotted by coverity checker as bug 615. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/devices/block2mtd.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index f54e4bf9b96..45606921364 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -429,7 +429,8 @@ static inline void kill_final_newline(char *str)
static int block2mtd_setup(const char *val, struct kernel_param *kp)
{
- char buf[80+12], *str=buf; /* 80 for device, 12 for erase size */
+ char buf[80+12]; /* 80 for device, 12 for erase size */
+ char *str = buf;
char *token[2];
char *name;
size_t erase_size = PAGE_SIZE;
@@ -441,7 +442,7 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
strcpy(str, val);
kill_final_newline(str);
- for (i=0; i<2; i++)
+ for (i = 0; i < 2; i++)
token[i] = strsep(&str, ",");
if (str)
@@ -460,8 +461,10 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
if (token[1]) {
ret = parse_num(&erase_size, token[1]);
- if (ret)
+ if (ret) {
+ kfree(name);
parse_err("illegal erase size");
+ }
}
add_device(name, erase_size);