linux-kernel - [PATCH 1/1] usbip/userspace/libsrc/names.c: memory leak

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Date:	Tue, 28 Jan 2014 21:16:46 +0100
From:	xypron.glpk@....de
To:	gregkh@...uxfoundation.org
Cc:	xypron.glpk@....de, ly80toro@....cs.fau.de, ke42caxa@....cs.fau.de,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] usbip/userspace/libsrc/names.c: memory leak

From: Heinrich Schuchardt <xypron.glpk@....de>

revised patch

p is freed if NULL.
p is leaked if second calloc fails.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 drivers/staging/usbip/userspace/libsrc/names.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/drivers/staging/usbip/userspace/libsrc/names.c
index 3c8d28b..81ff852 100644
--- a/drivers/staging/usbip/userspace/libsrc/names.c
+++ b/drivers/staging/usbip/userspace/libsrc/names.c
@@ -169,14 +169,14 @@ static void *my_malloc(size_t size)
 	struct pool *p;
 
 	p = calloc(1, sizeof(struct pool));
-	if (!p) {
-		free(p);
+	if (!p)
 		return NULL;
-	}
 
 	p->mem = calloc(1, size);
-	if (!p->mem)
+	if (!p->mem) {
+		free(p);
 		return NULL;
+	}
 
 	p->next = pool_head;
 	pool_head = p;
-- 
1.7.10.4

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