diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/i86pc/io/rootnex.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/usr/src/uts/i86pc/io/rootnex.c b/usr/src/uts/i86pc/io/rootnex.c index 757d73dc5e..a740451f43 100644 --- a/usr/src/uts/i86pc/io/rootnex.c +++ b/usr/src/uts/i86pc/io/rootnex.c @@ -26,6 +26,7 @@ * Copyright (c) 2011 Bayard G. Bell. All rights reserved. * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved. * Copyright 2017 Joyent, Inc. + * Copyright 2020 Ryan Zezeski */ /* @@ -3130,10 +3131,10 @@ rootnex_get_sgl(ddi_dma_obj_t *dmar_object, ddi_dma_cookie_t *sgl, sgl[cnt].dmac_size += psize; /* - * if this exactly == the maximum cookie size, and - * it isn't the last cookie, go to the next cookie. + * If this cookie is used up, and more cookies + * are available, then move onto the next one. */ - if (((sgl[cnt].dmac_size + psize) == maxseg) && + if ((sgl[cnt].dmac_size == maxseg) && ((cnt + 1) < sglinfo->si_max_pages)) { cnt++; sgl[cnt].dmac_laddress = 0; @@ -3230,10 +3231,10 @@ rootnex_dvma_get_sgl(ddi_dma_obj_t *dmar_object, ddi_dma_cookie_t *sgl, sgl[cnt].dmac_size += psize; /* - * if this exactly == the maximum cookie size, and - * it isn't the last cookie, go to the next cookie. + * If this cookie is used up, and more cookies + * are available, then move onto the next one. */ - if (((sgl[cnt].dmac_size + psize) == maxseg) && + if ((sgl[cnt].dmac_size == maxseg) && ((cnt + 1) < sglinfo->si_max_pages)) { cnt++; sgl[cnt].dmac_laddress = 0; |