| Message ID | 20200626105133.GF314359@mwanda (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | scsi: ufs: ufs-exynos: Remove an unnecessary NULL check | expand |
Hi Dan > -----Original Message----- > The "head" pointer can't be NULL because it points to an address in the middle > of a ufs_hba struct. Looking at this code, probably someone would wonder if > the intent was to check whether "hba" is NULL, but "hba" > isn't NULL and the check can just be removed. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> > --- Please add Fixes: tag With that Acked-by: Alim Akhtar <alim.akhtar@samsung.com> Thanks! > drivers/scsi/ufs/ufs-exynos.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index > 16544b3dad47..802f7de626e8 100644 > --- a/drivers/scsi/ufs/ufs-exynos.c > +++ b/drivers/scsi/ufs/ufs-exynos.c > @@ -264,7 +264,7 @@ static int exynos_ufs_get_clk_info(struct exynos_ufs > *ufs) > u8 div = 0; > int ret = 0; > > - if (!head || list_empty(head)) > + if (list_empty(head)) > goto out; > > list_for_each_entry(clki, head, list) { > -- > 2.27.0
On Sat, Jun 27, 2020 at 10:51:44PM +0530, Alim Akhtar wrote: > Hi Dan > > > -----Original Message----- > > The "head" pointer can't be NULL because it points to an address in the > middle > > of a ufs_hba struct. Looking at this code, probably someone would wonder > if > > the intent was to check whether "hba" is NULL, but "hba" > > isn't NULL and the check can just be removed. > > > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> > > --- > Please add Fixes: tag > With that > Acked-by: Alim Akhtar <alim.akhtar@samsung.com> It's not a bug fix it's just a cleanup. regards, dan carpenter
Hi Dan, > -----Original Message----- > From: Dan Carpenter <dan.carpenter@oracle.com> > On Sat, Jun 27, 2020 at 10:51:44PM +0530, Alim Akhtar wrote: > > Hi Dan > > > > > -----Original Message----- > > > The "head" pointer can't be NULL because it points to an address in the > > middle > > > of a ufs_hba struct. Looking at this code, probably someone would wonder > > if > > > the intent was to check whether "hba" is NULL, but "hba" > > > isn't NULL and the check can just be removed. > > > > > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> > > > --- > > Please add Fixes: tag > > With that > > Acked-by: Alim Akhtar <alim.akhtar@samsung.com> > > It's not a bug fix it's just a cleanup. > Acked-by: Alim Akhtar <alim.akhtar@samsung.com> Thanks! > regards, > dan carpenter
On Fri, 26 Jun 2020 13:51:33 +0300, Dan Carpenter wrote: > The "head" pointer can't be NULL because it points to an address in > the middle of a ufs_hba struct. Looking at this code, probably someone > would wonder if the intent was to check whether "hba" is NULL, but "hba" > isn't NULL and the check can just be removed. Applied to 5.9/scsi-queue, thanks! [1/1] scsi: ufs: ufs-exynos: Remove an unnecessary NULL check https://git.kernel.org/mkp/scsi/c/b7a80dac0f1f
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index 16544b3dad47..802f7de626e8 100644 --- a/drivers/scsi/ufs/ufs-exynos.c +++ b/drivers/scsi/ufs/ufs-exynos.c @@ -264,7 +264,7 @@ static int exynos_ufs_get_clk_info(struct exynos_ufs *ufs) u8 div = 0; int ret = 0; - if (!head || list_empty(head)) + if (list_empty(head)) goto out; list_for_each_entry(clki, head, list) {
The "head" pointer can't be NULL because it points to an address in the middle of a ufs_hba struct. Looking at this code, probably someone would wonder if the intent was to check whether "hba" is NULL, but "hba" isn't NULL and the check can just be removed. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/scsi/ufs/ufs-exynos.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)