mkefidisk: Attempt to automatically unmount target device

With automounters abounding it makes more sense to attempt to unmount
the device rather than abort, just like ddimage does.

(From OE-Core rev: f522ff19ba4b80788d66a2c58ee50b86fdfea15f)

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/scripts/contrib/mkefidisk.sh b/scripts/contrib/mkefidisk.sh
index acadd49774..741c3ab967 100755
--- a/scripts/contrib/mkefidisk.sh
+++ b/scripts/contrib/mkefidisk.sh
@@ -102,10 +102,14 @@ fi
 #
 grep -q $DEVICE /proc/mounts
 if [ $? -eq 0 ]; then
-        echo "ERROR: $DEVICE partitions mounted:"
-        grep $DEVICE /proc/mounts | cut -f 1 -d " "
-        echo "Unmount the partitions listed and try again."
-        exit 1
+        echo -n "$DEVICE listed in /proc/mounts, attempting to unmount..."
+        umount $DEVICE* 2>/dev/null
+        grep -q $DEVICE /proc/mounts
+        if [ $? -eq 0 ]; then
+                echo "FAILED"
+                exit 1
+        fi
+        echo "OK"
 fi
 
 
@@ -153,6 +157,7 @@ echo "Boot partition size:   $BOOT_SIZE MB ($BOOTFS)"
 echo "ROOTFS partition size: $ROOTFS_SIZE MB ($ROOTFS)"
 echo "Swap partition size:   $SWAP_SIZE MB ($SWAP)"
 echo "*****************"
+
 echo "Deleting partition table on $DEVICE ..."
 dd if=/dev/zero of=$DEVICE bs=512 count=2