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base-files: find_mmc_part: Silence error when no MMC exists

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When running find_mmc_part on a system without MMC or when the given
root device does not exist, an error message is printed to stderr.

    grep: /sys/block/mmcblk*/mmcblk*p*/uevent: No such file or directory

Silence this error message.

Since find_mmc_part is mostly used to get block devices of MMC
partitions and the negative result (partion not found) is checked for by
the caller, the error message can be silenced without causing any
negative impact.

Signed-off-by: Andreas Gnau <andreas.gnau@iopsys.eu>
Link: https://github.com/openwrt/openwrt/pull/19492
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Andreas Gnau 2025-07-22 11:12:08 +02:00 committed by Hauke Mehrtens
parent fbf991544f
commit 11aa0fc6fb
1 changed files with 1 additions and 1 deletions
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2
package/base-files/files/lib/functions.sh
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@ -447,7 +447,7 @@ find_mmc_part() {
fi
for DEVNAME in /sys/block/$ROOTDEV/mmcblk*p*; do
PARTNAME="$(grep PARTNAME ${DEVNAME}/uevent | cut -f2 -d'=')"
PARTNAME="$(grep PARTNAME ${DEVNAME}/uevent | cut -f2 -d'=' 2>/dev/null)"
[ "$PARTNAME" = "$1" ] && echo "/dev/$(basename $DEVNAME)" && return 0
done
}