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Kamalesh Babulal 61d1ad3631 objtool: Print top level commands on incorrect usage 
commit 6a93bb7e4a7d6670677d5b0eb980936eb9cc5d2e upstream.

Print top-level objtool commands, along with the error on incorrect
command line usage. Objtool command line parser exit's with code 129,
for incorrect usage. Convert the cmd_usage() exit code also, to maintain
consistency across objtool.

After the patch:

  $ ./objtool -j

  Unknown option: -j

  usage: objtool COMMAND [ARGS]

  Commands:
     check   Perform stack metadata validation on an object file
     orc     Generate in-place ORC unwind tables for an object file

  $ echo $?
  129

Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1507992474-16142-1-git-send-email-kamalesh@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25 14:26:14 +01:00
..
accounting
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
arch
tools/headers: Synchronize kernel ABI headers
2017-11-04 09:27:46 +01:00
build
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cgroup
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
firewire
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gpio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hv
hv: kvp: Avoid reading past allocated blocks from KVP file
2017-12-14 09:52:50 +01:00
iio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
include
tools include: Do not use poison with C++
2017-12-10 13:40:43 +01:00
kvm/kvm_stat
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
laptop
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
leds
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lib
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfsd
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
objtool
objtool: Print top level commands on incorrect usage
2017-12-25 14:26:14 +01:00
pci
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pcmcia
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
perf
perf tools: Fix leaking rec_argv in error cases
2017-12-10 13:40:43 +01:00
power
License cleanup: add SPDX license identifiers to some files
2017-11-02 10:04:46 -07:00
scripts
License cleanup: add SPDX license identifiers to some files
2017-11-02 10:04:46 -07:00
spi
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
testing
x86/mpx/selftests: Fix up weird arrays
2017-12-14 09:53:06 +01:00
thermal/tmon
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
time
…
usb
usbip: prevent vhci_hcd driver from leaking a socket pointer address
2017-12-20 10:10:19 +01:00
virtio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vm
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00