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-rwxr-xr-xscripts/checkpatch.pl7
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 58a94947d655..64ec4b8a51b5 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1889,6 +1889,13 @@ sub process {
1889 WARN("kfree(NULL) is safe this check is probabally not required\n" . $hereprev); 1889 WARN("kfree(NULL) is safe this check is probabally not required\n" . $hereprev);
1890 } 1890 }
1891 } 1891 }
1892# check for needless usb_free_urb() checks
1893 if ($prevline =~ /\bif\s*\(([^\)]*)\)/) {
1894 my $expr = $1;
1895 if ($line =~ /\busb_free_urb\(\Q$expr\E\);/) {
1896 WARN("usb_free_urb(NULL) is safe this check is probabally not required\n" . $hereprev);
1897 }
1898 }
1892 1899
1893# warn about #ifdefs in C files 1900# warn about #ifdefs in C files
1894# if ($line =~ /^.#\s*if(|n)def/ && ($realfile =~ /\.c$/)) { 1901# if ($line =~ /^.#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {