Re: [PATCH 1/1] usbip/userspace/libsrc/names.c: memory leak

From: Dan Carpenter
Date: Mon Jan 27 2014 - 17:53:38 EST


On Mon, Jan 27, 2014 at 11:29:48PM +0100, xypron.glpk@xxxxxx wrote:
> From: Heinrich Schuchardt <xypron.glpk@xxxxxx>

Fix your email account so we can get this automatically from your email.
Currently the From header on your email is just:

From: xypron.glpk@xxxxxx

without your name.

>
> p is freed if NULL.
> p is leaked if second calloc fails.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
> ---
> drivers/staging/usbip/userspace/libsrc/names.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/drivers/staging/usbip/userspace/libsrc/names.c
> index 3c8d28b..b2904e8 100644
> --- a/drivers/staging/usbip/userspace/libsrc/names.c
> +++ b/drivers/staging/usbip/userspace/libsrc/names.c
> @@ -170,12 +170,12 @@ static void *my_malloc(size_t size)
>
> p = calloc(1, sizeof(struct pool));
> if (!p) {
> - free(p);
> return NULL;
> }

Remove the curly braces from here since they are no longer needed.

>
> p->mem = calloc(1, size);
> if (!p->mem)
> + free(p);
> return NULL;

Add the curly braces here. They are required.

regards,
dan carpenter

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