Fix g_eli error loss conditions

* Ensure that error information isn't lost.
* Log the error code in all cases.
* Don't overwrite bio_completed set to 0 from the error condition.

MFC after:	2 weeks
Sponsored by:	Multiplay
This commit is contained in:
Steven Hartland 2015-11-05 17:37:35 +00:00
parent 962942b5d6
commit 2dc7e36b0b

View File

@ -195,7 +195,7 @@ g_eli_read_done(struct bio *bp)
G_ELI_LOGREQ(2, bp, "Request done.");
pbp = bp->bio_parent;
if (pbp->bio_error == 0)
if (pbp->bio_error == 0 && bp->bio_error != 0)
pbp->bio_error = bp->bio_error;
g_destroy_bio(bp);
/*
@ -206,7 +206,8 @@ g_eli_read_done(struct bio *bp)
return;
sc = pbp->bio_to->geom->softc;
if (pbp->bio_error != 0) {
G_ELI_LOGREQ(0, pbp, "%s() failed", __func__);
G_ELI_LOGREQ(0, pbp, "%s() failed (error=%d)", __func__,
pbp->bio_error);
pbp->bio_completed = 0;
if (pbp->bio_driver2 != NULL) {
free(pbp->bio_driver2, M_ELI);
@ -235,10 +236,8 @@ g_eli_write_done(struct bio *bp)
G_ELI_LOGREQ(2, bp, "Request done.");
pbp = bp->bio_parent;
if (pbp->bio_error == 0) {
if (bp->bio_error != 0)
pbp->bio_error = bp->bio_error;
}
if (pbp->bio_error == 0 && bp->bio_error != 0)
pbp->bio_error = bp->bio_error;
g_destroy_bio(bp);
/*
* Do we have all sectors already?
@ -249,14 +248,15 @@ g_eli_write_done(struct bio *bp)
free(pbp->bio_driver2, M_ELI);
pbp->bio_driver2 = NULL;
if (pbp->bio_error != 0) {
G_ELI_LOGREQ(0, pbp, "Crypto WRITE request failed (error=%d).",
G_ELI_LOGREQ(0, pbp, "%s() failed (error=%d)", __func__,
pbp->bio_error);
pbp->bio_completed = 0;
}
} else
pbp->bio_completed = pbp->bio_length;
/*
* Write is finished, send it up.
*/
pbp->bio_completed = pbp->bio_length;
sc = pbp->bio_to->geom->softc;
g_io_deliver(pbp, pbp->bio_error);
atomic_subtract_int(&sc->sc_inflight, 1);