checkpatch: Add QEMU specific rule

The new rule detects two wrong variants of QEMU.
It was tested with commit b5a8fe5e.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8850a5f..b98dc6c 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2849,6 +2849,11 @@ sub process {
                                ERROR("lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
                        }
                }
+
+# QEMU specific tests
+               if ($rawline =~ /\b(?:Qemu|QEmu)\b/) {
+                       WARN("use QEMU instead of Qemu or QEmu\n" . $herecurr);
+               }
        }
 
        # If we have no input at all, then there is nothing to report on