scripts/runqemu: Fix MACHINE regex

When runqemu tries to determine the MACHINE variable from a
kernel or vmdk filename that doesn't contain any known machine
name, the variable gets set to the filename. It should remain
unset and cause an error.

[YOCTO #2890]

Signed-off-by: Mihai Prica <mihai.prica@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/runqemu b/scripts/runqemu
index 04dc3b05710bc53a16f70b873a17c4c623e7d8f9..b49678502a57b0e84a4fd69c12163c36f78a00ef 100755 (executable)
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -224,13 +224,13 @@ fi
 
 if [ -z "$MACHINE" ]; then
     if [ "x$FSTYPE" = "xvmdk" ]; then
-        MACHINE=`basename $VM | sed 's/.*\(qemux86-64\|qemux86\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/'`
+        MACHINE=`basename $VM | sed -n 's/.*\(qemux86-64\|qemux86\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/p'`
         if [ -z "$MACHINE" ]; then
             error "Unable to set MACHINE from vmdk filename [$VM]"
         fi
         echo "Set MACHINE to [$MACHINE] based on vmdk [$VM]"
     else
-        MACHINE=`basename $KERNEL | sed 's/.*\(qemux86-64\|qemux86\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/'`
+        MACHINE=`basename $KERNEL | sed -n 's/.*\(qemux86-64\|qemux86\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/p'`
         if [ -z "$MACHINE" ]; then
             error "Unable to set MACHINE from kernel filename [$KERNEL]"
         fi