On Thu, 25 Mar 2021 11:29:06 +0100 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Thu, Mar 25, 2021 at 06:19:26PM +0800, Jian Dong wrote: > > From: Jian Dong <dongjian@xxxxxxxxxx> > > > > fixes coccicheck Error: > > > > drivers/staging/greybus/bootrom.c:301:41-45: ERROR: > > fw is NULL but dereferenced. > > > > if procedure goto label directly, ret will be nefative, so the fw > > is NULL and the if(condition) end with dereferenced fw. let's fix > > it. > > Why is this all indented a space? this maybe caused by my terminal, I will take notice next time. > > > > > Signed-off-by: Jian Dong <dongjian@xxxxxxxxxx> > > --- > > drivers/staging/greybus/bootrom.c | 8 ++++---- > > 1 file changed, 4 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/staging/greybus/bootrom.c > > b/drivers/staging/greybus/bootrom.c index a8efb86..0439efa 100644 > > --- a/drivers/staging/greybus/bootrom.c > > +++ b/drivers/staging/greybus/bootrom.c > > @@ -246,7 +246,7 @@ static int gb_bootrom_get_firmware(struct > > gb_operation *op) struct gb_bootrom_get_firmware_response > > *firmware_response; struct device *dev = > > &op->connection->bundle->dev; unsigned int offset, size; > > - enum next_request_type next_request; > > + enum next_request_type next_request = > > NEXT_REQ_GET_FIRMWARE; int ret = 0; > > > > /* Disable timeouts */ > > @@ -298,10 +298,10 @@ static int gb_bootrom_get_firmware(struct > > gb_operation *op) > > queue_work: > > /* Refresh timeout */ > > - if (!ret && (offset + size == fw->size)) > > - next_request = NEXT_REQ_READY_TO_BOOT; > > - else > > + if (!!ret) > > That is hard to understand, please make this more obvious. > if (A && B) else (!A || !B) So, when ret is NON-ZERO, set next_request as GET_FIRMWARE, else set READ_TO_BOOT. but if second express is flase, next_request still need be set as GET_FIRMWARE, So, I initialze it as GET_FIRMWARE. this is will keep consistent with the origin conditional express: both ret is ZERO and second express TRUE, then set as READ_TO_BOOT, else set as GET_FIRMWARE. > thanks, > > greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
