#!/bin/sh # ---------------------------------------------------------------------- # extract-ikconfig - Extract the .config file from a kernel image # # This will only work when the kernel was compiled with CONFIG_IKCONFIG. # # The obscure use of the "tr" filter is to work around older versions of # "grep" that report the byte offset of the line instead of the pattern. # # (c) 2009,2010 Dick Streefland # Licensed under the terms of the GNU General Public License. # ---------------------------------------------------------------------- cf1='IKCFG_ST\037\213\010' cf2='0123456789' dump_config() { if pos=`tr "$cf1\n$cf2" "\n$cf2=" < "$1" | grep -abo "^$cf2"` then pos=${pos%%:*} tail -c+$(($pos+8)) "$1" | zcat > $tmp1 2> /dev/null if [ $? != 1 ] then # exit status must be 0 or 2 (trailing garbage warning) cat $tmp1 exit 0 fi fi } try_decompress() { for pos in `tr "$1\n$2" "\n$2=" < "$img" | grep -abo "^$2"` do pos=${pos%%:*} tail -c+$pos "$img" | $3 > $tmp2 2> /dev/null dump_config $tmp2 done } # Check invocation: me=${0##*/} img=$1 if [ $# -ne 1 -o ! -s "$img" ] then echo "Usage: $me " >&2 exit 2 fi # Prepare temp files: tmp1=/tmp/ikconfig$$.1 tmp2=/tmp/ikconfig$$.2 trap "rm -f $tmp1 $tmp2" 0 # Initial attempt for uncompressed images or objects: dump_config "$img" # That didn't work, so retry after decompression. try_decompress '\037\213\010' xy gunzip try_decompress '\3757zXZ\000' abcde unxz try_decompress 'BZh' xy bunzip2 try_decompress '\135\0\0\0' xxx unlzma try_decompress '\211\114\132' xy 'lzop -d' try_decompress '\002\041\114\030' xyy 'lz4 -d -l' # Bail out: echo "$me: Cannot find kernel config." >&2 exit 1 '>refslogtreecommitdiff
path: root/tools/testing/selftests/mqueue
diff options
context:
space:
mode:
authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /tools/testing/selftests/mqueue
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'tools/testing/selftests/mqueue')