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

From: Dan Carpenter
Date: Mon Jan 27 2014 - 18:03:08 EST


On Mon, Jan 27, 2014 at 02:50:04PM -0800, Greg KH wrote:
> On Mon, Jan 27, 2014 at 11:29:48PM +0100, xypron.glpk@xxxxxx wrote:
> > From: Heinrich Schuchardt <xypron.glpk@xxxxxx>
> >
> > p is freed if NULL.
>
> Not a real problem, right?
>
> > p is leaked if second calloc fails.
>
> You just created a new bug in your "fix" :(
>
> Please run your patches through scripts/checkpatch.pl, odds are, it
> would have caught this error.
>

Checkpatch doesn't catch the problems here. I thought it would have
caught the style issue but apparently it only looks for extra curly
braces when you run it in --file mode.

Fengguang would hopefully have caught the missing curly braces bug with
Coccinelle.

regards,
dan carpenter
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