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| author | markm <markm@FreeBSD.org> | 2004-06-20 13:50:50 +0000 |
|---|---|---|
| committer | markm <markm@FreeBSD.org> | 2004-06-20 13:50:50 +0000 |
| commit | 850ccbe37b878ac825850729d1c0a717cddb02e3 (patch) | |
| tree | a7f70880778cf701d6ef26db179282b04f7841a4 /sys/dev/null | |
| parent | ece4a2cdf8573a878c5e8982141176b7125a73c6 (diff) | |
| download | FreeBSD-src-850ccbe37b878ac825850729d1c0a717cddb02e3.zip FreeBSD-src-850ccbe37b878ac825850729d1c0a717cddb02e3.tar.gz | |
Micro-tweaking.
Diffstat (limited to 'sys/dev/null')
| -rw-r--r-- | sys/dev/null/null.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sys/dev/null/null.c b/sys/dev/null/null.c index 710d4b1..14841d3 100644 --- a/sys/dev/null/null.c +++ b/sys/dev/null/null.c @@ -1,5 +1,6 @@ /*- * Copyright (c) 2000 Mark R. V. Murray & Jeroen C. van Gelderen + * Copyright (c) 2001-2004 Mark R. V. Murray * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -76,7 +77,8 @@ static int null_write(struct cdev *dev __unused, struct uio *uio, int flags __unused) { uio->uio_resid = 0; - return 0; + + return (0); } /* ARGSUSED */ @@ -105,7 +107,8 @@ zero_read(struct cdev *dev __unused, struct uio *uio, int flags __unused) c = uio->uio_resid < PAGE_SIZE ? uio->uio_resid : PAGE_SIZE; error = uiomove(zbuf, c, uio); } - return error; + + return (error); } /* ARGSUSED */ @@ -121,20 +124,20 @@ null_modevent(module_t mod __unused, int type, void *data __unused) GID_WHEEL, 0666, "zero"); null_dev = make_dev(&null_cdevsw, NULL_MINOR, UID_ROOT, GID_WHEEL, 0666, "null"); - return 0; + break; case MOD_UNLOAD: destroy_dev(null_dev); destroy_dev(zero_dev); free(zbuf, M_TEMP); - return 0; + break; case MOD_SHUTDOWN: - return 0; + break; - default: - return EOPNOTSUPP; } + + return (0); } DEV_MODULE(null, null_modevent, NULL); |
