testing: Fix initial kernel build

The directory does not exist yet if the kernel was never built.

Fixes: a4a13d0be29b ("testing: Extract and patch each kernel version only once")

diff --git a/testing/scripts/build-guestkernel b/testing/scripts/build-guestkernel
index 0c38b7b984846c5995cecc2c12cb8cc5ccbbe853..a10fb83d2bfe28d7aafe2fc5c4fcad70fb13674c 100755 (executable)
--- a/testing/scripts/build-guestkernel
+++ b/testing/scripts/build-guestkernel
@@ -27,7 +27,6 @@ then
 fi
 
 KERNELDIR=$BUILDDIR/$KERNEL
-cd $KERNELDIR
 
 if [ ! -d "$KERNELDIR" ]
 then
@@ -37,11 +36,12 @@ then
        if [ $KERNELPATCH ]
        then
                log_action "Applying kernel patch"
-               bzcat ../$KERNELPATCH | patch -p1 >>$LOGFILE 2>&1
+               bzcat $KERNELPATCH | patch -d $KERNELDIR -p1 >>$LOGFILE 2>&1
                log_status $?
                [ $? -eq 0 ] || exit 1
        fi
 fi
+cd $KERNELDIR
 
 if [ ! -f .config ]
 then