On 19 December 2016 at 15:03, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> With gcc-4.1.2:
>
> mmc/core/block.c: In function ‘mmc_blk_issue_discard_rq’:
> mmc/core/block.c:1150: warning: ‘arg’ may be used uninitialized in this function
> mmc/core/block.c:1150: warning: ‘nr’ may be used uninitialized in this function
> mmc/core/block.c:1150: warning: ‘from’ may be used uninitialized in this function
>
> While this is a false positive, it can be avoided easily by jumping over
> the checks for "err" that are always false.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Thanks, applied for next!
Kind regards
Uffe
> ---
> drivers/mmc/core/block.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
> index bab3f07b1117ea81..8c0e0833d481cf94 100644
> --- a/drivers/mmc/core/block.c
> +++ b/drivers/mmc/core/block.c
> @@ -1152,7 +1152,7 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
>
> if (!mmc_can_erase(card)) {
> err = -EOPNOTSUPP;
> - goto out;
> + goto fail;
> }
>
> from = blk_rq_pos(req);
> @@ -1181,6 +1181,7 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
> goto retry;
> if (!err)
> mmc_blk_reset_success(md, type);
> +fail:
> blk_end_request(req, err, blk_rq_bytes(req));
>
> return err ? 0 : 1;
> --
> 1.9.1
>
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