[PATCH] checkpatch: warn for p0 patch only if prefix is not b

[Dafna Hirschfeld]

It might be that file 'b' happens to exit. In that
case, if the prefix is also 'b' (which is the
common case) we get the falsely warning:

patch prefix 'b' exists, appears to be a -p0 patch

So warn only if prefix is not 'b'

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 1784921c645d..72263b142e39 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2821,7 +2821,7 @@ sub process {
 			$in_commit_log = 0;
 
 			$p1_prefix = $1;
-			if (!$file && $tree && $p1_prefix ne '' &&
+			if (!$file && $tree && $p1_prefix ne '' && $p1_prefix ne 'b' &&
 			    -e "$root/$p1_prefix") {
 				WARN("PATCH_PREFIX",
 				     "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
-- 
2.17.1