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ARM: 8750/1: deflate_xip_data.sh: minor fixes

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Send nm complaints about broken pipe (when sed exits early) to /dev/null.
All errors should be printed to stderr.
Don't trap on normal exit so the trap can return an error code.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Nicolas Pitre 2018-03-12 15:51:26 +01:00 committed by Russell King
parent 73b9160d0d
commit 1b8837b617
1 changed files with 3 additions and 3 deletions
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6
arch/arm/boot/deflate_xip_data.sh
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@ -30,7 +30,7 @@ esac
sym_val() {
# extract hex value for symbol in $1
local val=$($NM "$VMLINUX" | sed -n "/ $1$/{s/ .*$//p;q}")
local val=$($NM "$VMLINUX" 2>/dev/null | sed -n "/ $1\$/{s/ .*$//p;q}")
[ "$val" ] || { echo "can't find $1 in $VMLINUX" 1>&2; exit 1; }
# convert from hex to decimal
echo $((0x$val))
@ -48,12 +48,12 @@ data_end=$(($_edata_loc - $base_offset))
file_end=$(stat -c "%s" "$XIPIMAGE")
if [ "$file_end" != "$data_end" ]; then
printf "end of xipImage doesn't match with _edata_loc (%#x vs %#x)\n" \
$(($file_end + $base_offset)) $_edata_loc 2>&1
$(($file_end + $base_offset)) $_edata_loc 1>&2
exit 1;
fi
# be ready to clean up
trap 'rm -f "$XIPIMAGE.tmp"' 0 1 2 3
trap 'rm -f "$XIPIMAGE.tmp"; exit 1' 1 2 3
# substitute the data section by a compressed version
$DD if="$XIPIMAGE" count=$data_start iflag=count_bytes of="$XIPIMAGE.tmp"