Messages in this thread | | | Date | Sun, 10 Mar 2013 14:05:54 +0100 | Subject | Re: [PATCH] net: can: af_can.c: Fix checkpatch warnings | From | Daniel Mack <> |
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On Sun, Mar 10, 2013 at 1:45 PM, Oliver Hartkopp <socketcan@hartkopp.net> wrote: > Hallo Valentin, > > thanks for the idea for the cleanup. > > But if you replace the the printk() statements it's worth to check if code > fits into a single line now, e.g. > > On 10.03.2013 13:28, Valentin Ilie wrote: > > r = NULL; >> @@ -749,7 +749,7 @@ int can_proto_register(const struct can_proto *cp) >> int err = 0; >> >> if (proto < 0 || proto >= CAN_NPROTO) { >> - printk(KERN_ERR "can: protocol number %d out of range\n", >> + pr_err("can: protocol number %d out of range\n", >> proto); > > > here " ,proto);" can obviously be move into the previous line while preserving > the 80 chars per line rule. > > >> return -EINVAL; >> } >> @@ -761,7 +761,7 @@ int can_proto_register(const struct can_proto *cp) >> mutex_lock(&proto_tab_lock); >> >> if (proto_tab[proto]) { >> - printk(KERN_ERR "can: protocol %d already registered\n", >> + pr_err("can: protocol %d already registered\n", >> proto); > > > here too > >> err = -EBUSY; >> } else >> @@ -817,8 +817,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg, >> /* create new dev_rcv_lists for this device */ >> d = kzalloc(sizeof(*d), GFP_KERNEL); >> if (!d) { >> - printk(KERN_ERR >> - "can: allocation of receive list failed\n"); >> + pr_err("can: allocation of receive list failed\n"); >> return NOTIFY_DONE; >> } > > > As i've seen in former patches from Joe Perches OOM messages are obsolete. > > You could write > > if(!d) > return NOTIFY_DONE; > > here instead.
While at it, why not switch to dev_err() instead?
Daniel
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