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Date: Fri, 1 May 2020 10:40:20 -0500 From: Richard Gong <richard.gong@...ux.intel.com> To: Christophe JAILLET <christophe.jaillet@...adoo.fr>, gregkh@...uxfoundation.org, atull@...nel.org Cc: linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: Re: [PATCH 4/4 v2] firmware: stratix10-svc: Slightly simplify code Hi, On 4/29/20 1:52 AM, Christophe JAILLET wrote: > Replace 'devm_kmalloc_array(... | __GFP_ZERO)' with the equivalent and > shorter 'devm_kcalloc(...)'. > It doesn't make much sense. Actually devm_kcalloc returns devm_kmalloc_array(.., flag | __GFP_ZERO). > 'ctrl->genpool' can not be NULL, so axe a useless test in the remove > function. > > Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr> > --- > drivers/firmware/stratix10-svc.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c > index 739004398877..c228337cb0a1 100644 > --- a/drivers/firmware/stratix10-svc.c > +++ b/drivers/firmware/stratix10-svc.c > @@ -1002,8 +1002,7 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) > if (!controller) > return -ENOMEM; > > - chans = devm_kmalloc_array(dev, SVC_NUM_CHANNEL, > - sizeof(*chans), GFP_KERNEL | __GFP_ZERO); > + chans = devm_kcalloc(dev, SVC_NUM_CHANNEL, sizeof(*chans), GFP_KERNEL); > if (!chans) > return -ENOMEM; > > @@ -1086,8 +1085,7 @@ static int stratix10_svc_drv_remove(struct platform_device *pdev) > kthread_stop(ctrl->task); > ctrl->task = NULL; > } > - if (ctrl->genpool) > - gen_pool_destroy(ctrl->genpool); > + gen_pool_destroy(ctrl->genpool); > list_del(&ctrl->node); > > return 0; > Regards, Richard
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