Message ID | 20220717153438.10800-1-joetalbott@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | iio: Use parens with sizeof | expand |
On Sun, 2022-07-17 at 11:34 -0400, Joe Simmons-Talbott wrote: > Prefer 'sizeof(var)' over 'sizeof var' as reported by checkpatch.pl. unrelated trivia: > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c [] > @@ -368,7 +368,7 @@ struct iio_poll_func > va_list vargs; > struct iio_poll_func *pf; > > - pf = kmalloc(sizeof *pf, GFP_KERNEL); > + pf = kmalloc(sizeof(*pf), GFP_KERNEL); > if (pf == NULL) > return NULL; > va_start(vargs, fmt); > @@ -560,7 +560,7 @@ struct iio_trigger *viio_trigger_alloc(struct device *parent, > struct iio_trigger *trig; > int i; > > - trig = kzalloc(sizeof *trig, GFP_KERNEL); > + trig = kzalloc(sizeof(*trig), GFP_KERNEL); > if (!trig) > return NULL; It'd be nice to be consistent with the allocation return test. Please pick one of: if (ptr == NULL) or if (!ptr) // my preference
On Sun, Jul 17, 2022 at 10:08:37AM -0700, Joe Perches wrote: > On Sun, 2022-07-17 at 11:34 -0400, Joe Simmons-Talbott wrote: > > Prefer 'sizeof(var)' over 'sizeof var' as reported by checkpatch.pl. > > unrelated trivia: > > > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c > [] > > @@ -368,7 +368,7 @@ struct iio_poll_func > > va_list vargs; > > struct iio_poll_func *pf; > > > > - pf = kmalloc(sizeof *pf, GFP_KERNEL); > > + pf = kmalloc(sizeof(*pf), GFP_KERNEL); > > if (pf == NULL) > > return NULL; > > va_start(vargs, fmt); > > @@ -560,7 +560,7 @@ struct iio_trigger *viio_trigger_alloc(struct device *parent, > > struct iio_trigger *trig; > > int i; > > > > - trig = kzalloc(sizeof *trig, GFP_KERNEL); > > + trig = kzalloc(sizeof(*trig), GFP_KERNEL); > > if (!trig) > > return NULL; > > It'd be nice to be consistent with the allocation return test. > > Please pick one of: > > if (ptr == NULL) > or > if (!ptr) // my preference > I'm happy to submit a patch for that. Do you want me to include a Suggested-by: tag? Thanks, Joe
On Sun, 2022-07-17 at 16:08 -0400, Joe Simmons-Talbott wrote: > On Sun, Jul 17, 2022 at 10:08:37AM -0700, Joe Perches wrote: > > On Sun, 2022-07-17 at 11:34 -0400, Joe Simmons-Talbott wrote: > > > Prefer 'sizeof(var)' over 'sizeof var' as reported by checkpatch.pl. > > > > unrelated trivia: > > > > > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c > > [] > > > @@ -368,7 +368,7 @@ struct iio_poll_func > > > va_list vargs; > > > struct iio_poll_func *pf; > > > > > > - pf = kmalloc(sizeof *pf, GFP_KERNEL); > > > + pf = kmalloc(sizeof(*pf), GFP_KERNEL); > > > if (pf == NULL) > > > return NULL; > > > va_start(vargs, fmt); > > > @@ -560,7 +560,7 @@ struct iio_trigger *viio_trigger_alloc(struct device *parent, > > > struct iio_trigger *trig; > > > int i; > > > > > > - trig = kzalloc(sizeof *trig, GFP_KERNEL); > > > + trig = kzalloc(sizeof(*trig), GFP_KERNEL); > > > if (!trig) > > > return NULL; > > > > It'd be nice to be consistent with the allocation return test. > > > > Please pick one of: > > > > if (ptr == NULL) > > or > > if (!ptr) // my preference > > > > I'm happy to submit a patch for that. Do you want me to include a > Suggested-by: tag? Not really.
On Sun, 17 Jul 2022 11:34:38 -0400 Joe Simmons-Talbott <joetalbott@gmail.com> wrote: > Prefer 'sizeof(var)' over 'sizeof var' as reported by checkpatch.pl. > > Signed-off-by: Joe Simmons-Talbott <joetalbott@gmail.com> Applied to the togreg branch of iio.git and pushed out as testing to let 0-day take a poke at it. oops. Email got stuck in my outbox when I went away for a week. Thanks, Jonathan > --- > drivers/iio/industrialio-trigger.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c > index f504ed351b3e..88bccb0676c8 100644 > --- a/drivers/iio/industrialio-trigger.c > +++ b/drivers/iio/industrialio-trigger.c > @@ -368,7 +368,7 @@ struct iio_poll_func > va_list vargs; > struct iio_poll_func *pf; > > - pf = kmalloc(sizeof *pf, GFP_KERNEL); > + pf = kmalloc(sizeof(*pf), GFP_KERNEL); > if (pf == NULL) > return NULL; > va_start(vargs, fmt); > @@ -560,7 +560,7 @@ struct iio_trigger *viio_trigger_alloc(struct device *parent, > struct iio_trigger *trig; > int i; > > - trig = kzalloc(sizeof *trig, GFP_KERNEL); > + trig = kzalloc(sizeof(*trig), GFP_KERNEL); > if (!trig) > return NULL; >
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index f504ed351b3e..88bccb0676c8 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -368,7 +368,7 @@ struct iio_poll_func va_list vargs; struct iio_poll_func *pf; - pf = kmalloc(sizeof *pf, GFP_KERNEL); + pf = kmalloc(sizeof(*pf), GFP_KERNEL); if (pf == NULL) return NULL; va_start(vargs, fmt); @@ -560,7 +560,7 @@ struct iio_trigger *viio_trigger_alloc(struct device *parent, struct iio_trigger *trig; int i; - trig = kzalloc(sizeof *trig, GFP_KERNEL); + trig = kzalloc(sizeof(*trig), GFP_KERNEL); if (!trig) return NULL;
Prefer 'sizeof(var)' over 'sizeof var' as reported by checkpatch.pl. Signed-off-by: Joe Simmons-Talbott <joetalbott@gmail.com> --- drivers/iio/industrialio-trigger.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)