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>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 1be82d5..a11b2bd 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3227,12 +3227,15 @@
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;
}
