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| author | Luca Boccassi <luca.boccassi@microsoft.com> | 2021-04-13 13:17:53 +0100 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@microsoft.com> | 2021-04-14 10:26:31 +0100 |
| commit | ab1aa6368a883bce88e3162fee2bea14aacedf23 (patch) | |
| tree | aa9ee694498389922073444bbf7efb977ad17e21 /src/rfkill | |
| parent | 993eb00016a75cf085eed85cf626a6995e96ab3d (diff) | |
| download | systemd-ab1aa6368a883bce88e3162fee2bea14aacedf23.tar.gz | |
rfkill: add some casts to silence -Werror=sign-compare
Diffstat (limited to 'src/rfkill')
| -rw-r--r-- | src/rfkill/rfkill.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/rfkill/rfkill.c b/src/rfkill/rfkill.c index e2d1a1be5f..bff1a2886b 100644 --- a/src/rfkill/rfkill.c +++ b/src/rfkill/rfkill.c @@ -177,7 +177,7 @@ static int load_state(Context *c, const struct rfkill_event *event) { ssize_t l = write(c->rfkill_fd, &we, sizeof we); if (l < 0) return log_error_errno(errno, "Failed to restore rfkill state for %i: %m", event->idx); - if (l < RFKILL_EVENT_SIZE_V1) + if ((size_t)l < RFKILL_EVENT_SIZE_V1) /* l cannot be < 0 here. Cast to fix -Werror=sign-compare */ return log_error_errno(SYNTHETIC_ERRNO(EIO), "Couldn't write rfkill event structure, too short (wrote %zd of %zu bytes).", l, sizeof we); @@ -335,9 +335,9 @@ static int run(int argc, char *argv[]) { break; } - if (l < RFKILL_EVENT_SIZE_V1) - return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short read of struct rfkill_event: (%zd < %d)", - l, RFKILL_EVENT_SIZE_V1); + if ((size_t)l < RFKILL_EVENT_SIZE_V1) /* l cannot be < 0 here. Cast to fix -Werror=sign-compare */ + return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short read of struct rfkill_event: (%zd < %zu)", + l, (size_t) RFKILL_EVENT_SIZE_V1); /* Casting necessary to make compiling with different kernel versions happy */ log_debug("Reading struct rfkill_event: got %zd bytes.", l); /* The event structure has more fields. We only care about the first few, so it's OK if we |