On Mon, Aug 19, 2013 at 06:29:37PM +0400, Sergei Shtylyov wrote: > Hello. > > On 08/19/2013 03:47 PM, Julia Lawall wrote: > > >From: Julia Lawall <Julia.Lawall@xxxxxxx> > > >Remove unneeded error handling on the result of a call to > >platform_get_resource_byname when the value is passed to > >devm_ioremap_resource. > > >A simplified version of the semantic patch that makes this change is as > >follows: (http://coccinelle.lip6.fr/) > > >// <smpl> > >@@ > >expression pdev,res,e,e1; > >expression ret != 0; > >identifier l; > >@@ > > > > res = platform_get_resource_byname(...); > >- if (res == NULL) { ... \(goto l;\|return ret;\) } > > e = devm_ioremap_resource(e1, res); > >// </smpl> > > >This patch also adjusts the error-handling code on the call to > >devm_ioremap_resource to check the right value, noticed by Svenning Sørensen. > > Saying "also" in the changelog is usuallly a good sign the patch > should be split. > > >Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > > >--- > >v2: Fixed the bug on the test of the result of devm_ioremap_resource > > > drivers/usb/musb/musb_dsps.c | 7 ++----- > > 1 file changed, 2 insertions(+), 5 deletions(-) > > > >diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c > >index 4ffbaac..e60be6f 100644 > >--- a/drivers/usb/musb/musb_dsps.c > >+++ b/drivers/usb/musb/musb_dsps.c > >@@ -357,12 +357,9 @@ static int dsps_musb_init(struct musb *musb) > > u32 rev, val; > > > > r = platform_get_resource_byname(parent, IORESOURCE_MEM, "control"); > >- if (!r) > >- return -EINVAL; > >- > > reg_base = devm_ioremap_resource(dev, r); > >- if (!musb->ctrl_base) > >- return -EINVAL; > >+ if (IS_ERR(reg_base)) > >+ return PTR_ERR(reg_base); > > This is indented with space, not tabs. And of course, this was a > matter of a separate *fix* patch, while the original patch was a > *cleanup*. > I would say this falls under the "trivial and closely related" banner. But I would prefer if the changelog said "Fixed a bug, also made some cleanups." Especially I wish the subject mentioned the bugfix. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
