On Sat, 2013-11-02 at 19:17 +0530, Govindarajulu Varadarajan wrote:
> Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@xxxxxxxxx>
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -3719,7 +3719,7 @@ sub process {
> # check for needless "if (<foo>) fn(<foo>)" uses
> if ($prevline =~ /\bif\s*\(\s*($Lval)\s*\)/) {
> my $expr = '\s*\(\s*' . quotemeta($1) . '\s*\)\s*;';
> - if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
> + if ($line =~ /\b(kfree|dev_kfree_skb|dev_kfree_skb_any|dev_kfree_skb_irq|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
> WARN('NEEDLESS_IF',
> "$1(NULL) is safe this check is probably not required\n" . $hereprev);
> }
OK, but I think this is easier to read as
dev_kfree_skb(?:_skb|_any|_irq)?
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