Hi Hari, On Fri, Jul 07, 2017 at 08:15:21PM +0530, Hari Prasath wrote: > kstrdup kernel primitive can be used to replace kmalloc followed by > string copy. This was reported by coccinelle tool > > Signed-off-by: Hari Prasath <geharipras...@gmail.com> > --- > .../media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c | 10 > +++------- > 1 file changed, 3 insertions(+), 7 deletions(-) > > diff --git > a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c > b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c > index 34cc56f..68db87b 100644 > --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c > +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c > @@ -144,14 +144,10 @@ sh_css_load_blob_info(const char *fw, const struct > ia_css_fw_info *bi, struct ia > ) > { > char *namebuffer; > - int namelength = (int)strlen(name); > - > - namebuffer = (char *) kmalloc(namelength + 1, GFP_KERNEL); > - if (namebuffer == NULL) > - return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY; > - > - memcpy(namebuffer, name, namelength + 1); > > + namebuffer = kstrdup(name, GFP_KERNEL); > + if (!namebuffer) > + return -ENOMEM;
The patch also changes the return value in error cases. I believe the caller(s) expect to get errors in the IA_CCS_ERR_* range. > bd->name = fw_minibuffer[index].name = namebuffer; > } else { > bd->name = name; -- Regards, Sakari Ailus e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel