Commit f2912a12 authored Jul 31, 2007 by Jesper Juhl Committed by Linus Torvalds Jul 31, 2007

cciss: fix memory leak



There's a memory leak in the cciss driver.

in alloc_cciss_hba() we may leak sizeof(ctlr_info_t) bytes if a
call to alloc_disk(1 << NWD_SHIFT) fails.
This patch should fix the issue.

Spotted by the Coverity checker.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ff0cfc66

drivers/block/cciss.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -3227,12 +3227,15 @@ static int alloc_cciss_hba(void)
		for (i = 0; i < MAX_CTLR; i++) {
		if (!hba[i]) {
		ctlr_info_t *p;

		p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
		if (!p)
		goto Enomem;
		p->gendisk[0] = alloc_disk(1 << NWD_SHIFT);
		if (!p->gendisk[0])
		if (!p->gendisk[0]) {
		kfree(p);
		goto Enomem;
		}
		hba[i] = p;
		return i;
		}