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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-02-22 15:00:46 +0100 |
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committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-02-22 15:00:46 +0100 |
commit | 7a9737bc7d8b9879099459dfb96358281b4b3d60 (patch) | |
tree | 54749d3a3f37c4f4e8f009fa898336356acde97b /src/backlight | |
parent | test-network: test wireguard peer in drop-in config (diff) | |
download | systemd-7a9737bc7d8b9879099459dfb96358281b4b3d60.tar.xz systemd-7a9737bc7d8b9879099459dfb96358281b4b3d60.zip |
backlight: exit earlier when unknown verb is specified
Diffstat (limited to 'src/backlight')
-rw-r--r-- | src/backlight/backlight.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index f3d53d6462..f9e4f83ab9 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -388,6 +388,9 @@ static int run(int argc, char *argv[]) { if (argc != 3) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "This program requires two arguments."); + if (!STR_IN_SET(argv[1], "load", "save")) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown verb %s.", argv[1]); + umask(0022); r = mkdir_p("/var/lib/systemd/backlight", 0755); @@ -503,7 +506,7 @@ static int run(int argc, char *argv[]) { return log_device_error_errno(device, r, "Failed to write %s: %m", saved); } else - return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown verb %s.", argv[1]); + assert_not_reached("Unknown verb."); return 0; } |