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logind: rework sd_eviocrevoke()

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Let's initialize static variables properly and get rid of redundant
variables.
This commit is contained in:
Lennart Poettering 2018-02-26 18:32:07 +01:00
parent 864fe630a7
commit 5d5330a8e4
1 changed files with 5 additions and 7 deletions
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12
src/login/logind-session-device.c
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@ -107,17 +107,15 @@ static int session_device_notify(SessionDevice *sd, enum SessionDeviceNotificati
} }
static int sd_eviocrevoke(int fd) { static int sd_eviocrevoke(int fd) {
static bool warned; static bool warned = false;
int r;
assert(fd >= 0); assert(fd >= 0);
r = ioctl(fd, EVIOCREVOKE, NULL); if (ioctl(fd, EVIOCREVOKE, NULL) < 0) {
if (r < 0) {
r = -errno; if (errno == EINVAL && !warned) {
if (r == -EINVAL && !warned) { log_warning_errno(errno, "Kernel does not support evdev-revocation: %m");
warned = true; warned = true;
log_warning("kernel does not support evdev-revocation");
} }
} }