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base-files: upgrade: nand.sh: mute umount error 

Send error output of umount to /dev/null to mute error in case
ubiblock device has already been unmounted (which is usually the
case).
Gets rid of bogus error message:
umount: can't unmount /dev/ubiblock0_4: Invalid argument

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2024-01-25 03:06:45 +00:00
parent 7b1c3068b7
commit efcc100ef0
1 changed files with 1 additions and 1 deletions
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2
package/base-files/files/lib/upgrade/nand.sh
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@ -111,7 +111,7 @@ nand_remove_ubiblock() {
local ubiblk="ubiblock${ubivol:3}" local ubiblk="ubiblock${ubivol:3}"
if [ -e "/dev/$ubiblk" ]; then if [ -e "/dev/$ubiblk" ]; then
umount "/dev/$ubiblk" && echo "unmounted /dev/$ubiblk" || : umount "/dev/$ubiblk" 2>/dev/null && echo "unmounted /dev/$ubiblk" || :
if ! ubiblock -r "/dev/$ubivol"; then if ! ubiblock -r "/dev/$ubivol"; then
echo "cannot remove $ubiblk" echo "cannot remove $ubiblk"
return 1 return 1