Hi Fabio, Am Samstag, den 20.07.2013, 16:10 -0300 schrieb Fabio Estevam: > From: Fabio Estevam <[email protected]> > > clk_prepare_enable() may fail, so let's check its return value and propagate > it > in the case of error. > > Signed-off-by: Fabio Estevam <[email protected]> > > --- > Changes since v1: > - Add missing 'if' > > drivers/media/platform/coda.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c > index df4ada88..486db30 100644 > --- a/drivers/media/platform/coda.c > +++ b/drivers/media/platform/coda.c > @@ -1559,14 +1559,21 @@ static int coda_open(struct file *file) > list_add(&ctx->list, &dev->instances); > coda_unlock(ctx);
Now this list_add is not reverted in the error path, ... > > - clk_prepare_enable(dev->clk_per); > - clk_prepare_enable(dev->clk_ahb); > + ret = clk_prepare_enable(dev->clk_per); > + if (ret) > + goto err; > + > + ret = clk_prepare_enable(dev->clk_ahb); > + if (ret) > + goto err_clk_ahb; ... better move it down here. > v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n", > ctx->idx, ctx); > > return 0; > > +err_clk_ahb: > + clk_disable_unprepare(dev->clk_per); > err: > v4l2_fh_del(&ctx->fh); > v4l2_fh_exit(&ctx->fh); regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
