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Documentation/watchdog: close the fd when cmdline arg given

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in the watchdog test code, the ioctl is performed on the watchdog device
and just doing exit(0) so we leak a filedescripor.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Devendra Naga 2012-05-14 23:42:02 +05:30 committed by Wim Van Sebroeck
parent 2deca73655
commit 3c2a6186c1
1 changed files with 6 additions and 3 deletions
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9
Documentation/watchdog/src/watchdog-test.c
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@ -47,18 +47,18 @@ int main(int argc, char *argv[])
ioctl(fd, WDIOC_SETOPTIONS, &flags);
fprintf(stderr, "Watchdog card disabled.\n");
fflush(stderr);
exit(0);
goto end;
} else if (!strncasecmp(argv[1], "-e", 2)) {
flags = WDIOS_ENABLECARD;
ioctl(fd, WDIOC_SETOPTIONS, &flags);
fprintf(stderr, "Watchdog card enabled.\n");
fflush(stderr);
exit(0);
goto end;
} else {
fprintf(stderr, "-d to disable, -e to enable.\n");
fprintf(stderr, "run by itself to tick the card.\n");
fflush(stderr);
exit(0);
goto end;
}
} else {
fprintf(stderr, "Watchdog Ticking Away!\n");
@ -69,4 +69,7 @@ int main(int argc, char *argv[])
keep_alive();
sleep(1);
}
end:
close(fd);
return 0;
}