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SubjectRe: [PATCH] Staging: batman-adv: fix checkpatch.pl issues in hard-interface.c This is a patch to the hard-interface.c file that fixes up the checkpatch.pl issues Signed-off-by: Chris Nicholson <>
Hi Chris

Thanks for the patch.

However i have some stylistic issues with the patch. You seem to like
right justification of wrapped lines. I much prefer left.

On Sun, Feb 07, 2010 at 06:57:43PM +0000, chris.nicholson@cnick.org.uk wrote:
> From: Chris Nicholson <chris@localhost.localdomain>
>
> ---
> drivers/staging/batman-adv/hard-interface.c | 40 +++++++++++++++++---------
> 1 files changed, 26 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
> index 5ea35da..c4ed846 100644
> --- a/drivers/staging/batman-adv/hard-interface.c
> +++ b/drivers/staging/batman-adv/hard-interface.c
> @@ -87,9 +87,15 @@ static void check_known_mac_addr(uint8_t *addr)
> continue;
>
> addr_to_string(mac_string, addr);
> - debug_log(LOG_TYPE_WARN, "The newly added mac address (%s) already exists on: %s\n",
> - mac_string, batman_if->dev);
> - debug_log(LOG_TYPE_WARN, "It is strongly recommended to keep mac addresses unique to avoid problems!\n");
> + debug_log(LOG_TYPE_WARN, "The newly added mac address (%s) "
> + "already exists on: "
> + "%s\n",
> + mac_string,
> + batman_if->dev);
> + debug_log(LOG_TYPE_WARN, "It is strongly recommended to "
> + "keep mac addresses "
> + "unique avoid problems!"
> + "\n");

Here i would prefer

debug_log(LOG_TYPE_WARN, "The newly added mac address (%s) "
"already exists on: %s\n",
mac_string, batman_if->dev);
debug_log(LOG_TYPE_WARN, "It is strongly recommended to "
"keep mac addresses unique avoid problems!\n");


> }
> rcu_read_unlock();
> }
> @@ -121,7 +127,8 @@ static int hardif_is_interface_up(char *dev)
> if ((!list_empty(&if_list)) &&
> strncmp(((struct batman_if *)if_list.next)->dev, dev, IFNAMSIZ) &&
> !(((struct batman_if *)if_list.next)->if_active == IF_ACTIVE) &&
> - !(((struct batman_if *)if_list.next)->if_active == IF_TO_BE_ACTIVATED) &&
> + !(((struct batman_if *)if_list.next)->if_active ==
> + IF_TO_BE_ACTIVATED) &&
Here i would put:
!(((struct batman_if *)if_list.next)->if_active ==
IF_TO_BE_ACTIVATED) &&


> (!main_if_was_up())) {
> rcu_read_unlock();
> goto end;
> @@ -172,7 +179,7 @@ void hardif_deactivate_interface(struct batman_if *batman_if)
> active_ifs--;
>
> debug_log(LOG_TYPE_NOTICE, "Interface deactivated: %s\n",
> - batman_if->dev);
> + batman_if->dev);

There is some tab/space issues here, but batman_if->dev); should be
under the LOG_

> }
>
> /* (re)activate given interface. */
> @@ -236,7 +243,7 @@ static void hardif_activate_interface(struct batman_if *batman_if)
> set_main_if_addr(batman_if->net_dev->dev_addr);
>
> debug_log(LOG_TYPE_NOTICE, "Interface activated: %s\n",
> - batman_if->dev);
> + batman_if->dev);

Same comment as above.

[snip]

> @@ -400,8 +412,7 @@ int hardif_add_interface(char *dev, int if_num)
> return 1;
>
> out:
> - if (batman_if->packet_buff)
> - kfree(batman_if->packet_buff);
> + kfree(batman_if->packet_buff);
> kfree(batman_if);
> kfree(dev);
> return -1;
> @@ -413,7 +424,7 @@ char hardif_get_active_if_num(void)

This has already been fixed in linux-next. The code is going through
quite a lot of changes at the moment as part of the cleanup needed to
get out of stating. So i suggest you look at linux-next and not so
much as the latest -rc kernel, which is now somewhat out of date.

Here is a patch of how I think it should look like. With this
patch, the linux-next version of hard-interface.c is checkpatch.pl
clean. Is there anything i have missed? I will add the appropriate
headers and send it to GregKH sometime soon with my next batch of
patches for staging.

Thanks
Andrew

diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index f8b1ba3..229b94e 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -83,9 +83,11 @@ static void check_known_mac_addr(uint8_t *addr)
if (!compare_orig(batman_if->net_dev->dev_addr, addr))
continue;

- printk(KERN_WARNING "batman-adv:The newly added mac address (%pM) already exists on: %s\n",
+ printk(KERN_WARNING "batman-adv:The newly added mac address "
+ "(%pM) already exists on: %s\n",
addr, batman_if->dev);
- printk(KERN_WARNING "batman-adv:It is strongly recommended to keep mac addresses unique to avoid problems!\n");
+ printk(KERN_WARNING "batman-adv:It is strongly recommended to "
+ "keep mac addresses unique to avoid problems!\n");
}
rcu_read_unlock();
}
@@ -117,7 +119,8 @@ static int hardif_is_interface_up(char *dev)
if ((!list_empty(&if_list)) &&
strncmp(((struct batman_if *)if_list.next)->dev, dev, IFNAMSIZ) &&
!(((struct batman_if *)if_list.next)->if_active == IF_ACTIVE) &&
- !(((struct batman_if *)if_list.next)->if_active == IF_TO_BE_ACTIVATED) &&
+ !(((struct batman_if *)if_list.next)->if_active ==
+ IF_TO_BE_ACTIVATED) &&
(!main_if_was_up())) {
rcu_read_unlock();
goto end;
@@ -162,7 +165,7 @@ void hardif_deactivate_interface(struct batman_if *batman_if)
active_ifs--;

printk(KERN_INFO "batman-adv:Interface deactivated: %s\n",
- batman_if->dev);
+ batman_if->dev);
}

/* (re)activate given interface. */
@@ -245,7 +248,8 @@ static int resize_orig(struct orig_node *orig_node, int if_num)
data_ptr = kmalloc((if_num + 1) * sizeof(TYPE_OF_WORD) * NUM_WORDS,
GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+ printk(KERN_ERR "batman-adv:Can't resize orig: "
+ "out of memory\n");
return -1;
}

@@ -256,7 +260,8 @@ static int resize_orig(struct orig_node *orig_node, int if_num)

data_ptr = kmalloc((if_num + 1) * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+ printk(KERN_ERR "batman-adv:Can't resize orig:"
+ "out of memory\n");
return -1;
}

@@ -280,7 +285,8 @@ int hardif_add_interface(char *dev, int if_num)
batman_if = kmalloc(sizeof(struct batman_if), GFP_KERNEL);

if (!batman_if) {
- printk(KERN_ERR "batman-adv:Can't add interface (%s): out of memory\n", dev);
+ printk(KERN_ERR "batman-adv:Can't add interface (%s):"
+ "out of memory\n", dev);
return -1;
}

@@ -294,7 +300,8 @@ int hardif_add_interface(char *dev, int if_num)
batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_KERNEL);

if (!batman_if->packet_buff) {
- printk(KERN_ERR "batman-adv:Can't add interface packet (%s): out of memory\n", dev);
+ printk(KERN_ERR "batman-adv:Can't add interface packet (%s):"
+ "out of memory\n", dev);
goto out;
}

@@ -344,7 +351,9 @@ int hardif_add_interface(char *dev, int if_num)
spin_unlock_irqrestore(&orig_hash_lock, flags);

if (!hardif_is_interface_up(batman_if->dev))
- printk(KERN_ERR "batman-adv:Not using interface %s (retrying later): interface not active\n", batman_if->dev);
+ printk(KERN_ERR "batman-adv:Not using interface %s "
+ "(retrying later): interface not active\n",
+ batman_if->dev);
else
hardif_activate_interface(batman_if);

@@ -505,7 +514,6 @@ err_free:

}

-
struct notifier_block hard_if_notifier = {
.notifier_call = hard_if_event,
};


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