Void functions cannot use return(foo) even if foo is also returning void.

Sponsored by:	DARPA & NAI Labs.
This commit is contained in:
Poul-Henning Kamp 2002-09-28 11:43:20 +00:00
parent df60b2499b
commit eadf0ffdce

View File

@ -241,19 +241,25 @@ g_io_request(struct bio *bp, struct g_consumer *cp)
atomic_add_int(&cp->biocount, 1);
/* Fail on unattached consumers */
if (bp->bio_to == NULL)
return (g_io_fail(bp, ENXIO));
if (bp->bio_to == NULL) {
g_io_fail(bp, ENXIO);
return;
}
/* Fail if access doesn't allow operation */
switch(bp->bio_cmd) {
case BIO_READ:
case BIO_GETATTR:
if (cp->acr == 0)
return (g_io_fail(bp, EPERM));
if (cp->acr == 0) {
g_io_fail(bp, EPERM);
return;
}
break;
case BIO_WRITE:
case BIO_DELETE:
if (cp->acw == 0)
return (g_io_fail(bp, EPERM));
if (cp->acw == 0) {
g_io_fail(bp, EPERM);
return;
}
break;
case BIO_SETATTR:
/* XXX: Should ideally check for (cp->ace == 0) */
@ -261,22 +267,28 @@ g_io_request(struct bio *bp, struct g_consumer *cp)
printf("setattr on %s mode (%d,%d,%d)\n",
cp->provider->name,
cp->acr, cp->acw, cp->ace);
return (g_io_fail(bp, EPERM));
g_io_fail(bp, EPERM);
return;
}
break;
default:
return (g_io_fail(bp, EPERM));
g_io_fail(bp, EPERM);
return;
}
/* if provider is marked for error, don't disturb. */
if (bp->bio_to->error)
return (g_io_fail(bp, bp->bio_to->error));
if (bp->bio_to->error) {
g_io_fail(bp, bp->bio_to->error);
return;
}
switch(bp->bio_cmd) {
case BIO_READ:
case BIO_WRITE:
case BIO_DELETE:
/* Reject requests past the end of media. */
if (bp->bio_offset > bp->bio_to->mediasize)
return (g_io_fail(bp, EIO));
if (bp->bio_offset > bp->bio_to->mediasize) {
g_io_fail(bp, EIO);
return;
}
/* Truncate requests to the end of providers media. */
excess = bp->bio_offset + bp->bio_length;
if (excess > bp->bio_to->mediasize) {
@ -284,8 +296,10 @@ g_io_request(struct bio *bp, struct g_consumer *cp)
bp->bio_length -= excess;
}
/* Deliver zero length transfers right here. */
if (bp->bio_length == 0)
return (g_io_deliver(bp));
if (bp->bio_length == 0) {
g_io_deliver(bp);
return;
}
break;
default:
break;