Re: [PATCH][next] dm writecache: fix missing goto in error handling code

From: Mike Snitzer
Date: Tue May 29 2018 - 14:09:14 EST


On Sun, May 27 2018 at 6:25pm -0400,
Colin King <colin.king@xxxxxxxxxxxxx> wrote:

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Currently, the -EFBIG error condition when n_bitmaps_bits is
> too large is falling through to the next statement and the
> error assignment to r is potentially being ignored. The code
> should be exiting to the error path via label 'bad'. Fix
> this by adding the missing goto statement.
>
> Detected by CoverityScan, CID#1469377 ("Unused value")
>
> Fixes: bb15b431d650 ("dm: add writecache target")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Thanks, I've picked this up.