On Fri, 31 Oct 2014, SF Markus Elfring wrote: > >> The functions kfree(), rtw_free_netdev() and vfree() test whether their > >> argument is NULL and then return immediately. Thus the test around the call > >> is not needed. > >> > >> This issue was detected by using the Coccinelle software. > >> > >> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > >> --- > >> drivers/staging/rtl8188eu/core/rtw_efuse.c | 3 +-- > >> drivers/staging/rtl8188eu/core/rtw_mlme.c | 3 +-- > >> drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 3 +-- > >> drivers/staging/rtl8188eu/core/rtw_xmit.c | 6 ++---- > >> drivers/staging/rtl8188eu/os_dep/usb_intf.c | 5 ++--- > >> 5 files changed, 7 insertions(+), 13 deletions(-) > >> > >> diff --git a/drivers/staging/rtl8188eu/core/rtw_efuse.c > >> b/drivers/staging/rtl8188eu/core/rtw_efuse.c > >> index 7006088..77f7552 100644 > >> --- a/drivers/staging/rtl8188eu/core/rtw_efuse.c > >> +++ b/drivers/staging/rtl8188eu/core/rtw_efuse.c > >> @@ -212,8 +212,7 @@ efuse_phymap_to_logical(u8 *phymap, u16 _offset, u16 > >> _size_byte, u8 *pbuf) > >> exit: > >> kfree(efuseTbl); > >> > >> - if (eFuseWord) > >> - kfree(eFuseWord); > >> + kfree(eFuseWord); > > > > I think that this code has been updated already. It would be better to > > add labels so that kfree is only executed when needed. > > Are there any chances to achieve the suggested fine-tuning for jump labels > also with another semantic patch approach? No, I don't think so. The pattern is not regular enough. julia -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html