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btrfs-progs: send: fix crash on unknown option

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The long options array for send is missing the zero terminator, so
unknown options result in a crash:

  # btrfs send --foo
  Segmentation fault (core dumped)

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Omar Sandoval 2020-11-18 11:18:44 -08:00 committed by David Sterba
parent ce7ab16441
commit 8b7d1fc918
1 changed files with 2 additions and 1 deletions
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3
cmds/send.c
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@ -496,7 +496,8 @@ static int cmd_send(const struct cmd_struct *cmd, int argc, char **argv)
static const struct option long_options[] = { static const struct option long_options[] = {
{ "verbose", no_argument, NULL, 'v' }, { "verbose", no_argument, NULL, 'v' },
{ "quiet", no_argument, NULL, 'q' }, { "quiet", no_argument, NULL, 'q' },
{ "no-data", no_argument, NULL, GETOPT_VAL_SEND_NO_DATA } { "no-data", no_argument, NULL, GETOPT_VAL_SEND_NO_DATA },
{ NULL, 0, NULL, 0 }
}; };
int c = getopt_long(argc, argv, "vqec:f:i:p:", long_options, NULL); int c = getopt_long(argc, argv, "vqec:f:i:p:", long_options, NULL);