svn commit: r302592 - head/sys/arm/allwinner
Jared McNeill
jmcneill at FreeBSD.org
Mon Jul 11 20:14:52 UTC 2016
Author: jmcneill
Date: Mon Jul 11 20:14:50 2016
New Revision: 302592
URL: https://svnweb.freebsd.org/changeset/base/302592
Log:
Return early from bus_dmamap_load callback if the error indicator is set.
Reviewed by: andrew, manu
Modified:
head/sys/arm/allwinner/a10_mmc.c
Modified: head/sys/arm/allwinner/a10_mmc.c
==============================================================================
--- head/sys/arm/allwinner/a10_mmc.c Mon Jul 11 20:13:46 2016 (r302591)
+++ head/sys/arm/allwinner/a10_mmc.c Mon Jul 11 20:14:50 2016 (r302592)
@@ -364,6 +364,10 @@ a10_dma_cb(void *arg, bus_dma_segment_t
sc = (struct a10_mmc_softc *)arg;
sc->a10_dma_map_err = err;
+
+ if (err)
+ return;
+
dma_desc = sc->a10_dma_desc;
/* Note nsegs is guaranteed to be zero if err is non-zero. */
for (i = 0; i < nsegs; i++) {
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