Date: Tue, 15 Jan 2019 21:07:40 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r343061 - in stable: 11/sys/dev/cxgbe 12/sys/dev/cxgbe Message-ID: <201901152107.x0FL7ecD019494@repo.freebsd.org>
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Author: jhb Date: Tue Jan 15 21:07:40 2019 New Revision: 343061 URL: https://svnweb.freebsd.org/changeset/base/343061 Log: MFC 340206: Treat the memory lengths for CHELSIO_T4_GET_MEM as unsigned. Previously attempts to read the MC region were failing since the length was greater than 2^31. Modified: stable/12/sys/dev/cxgbe/t4_main.c Directory Properties: stable/12/ (props changed) Changes in other areas also in this revision: Modified: stable/11/sys/dev/cxgbe/t4_main.c Directory Properties: stable/11/ (props changed) Modified: stable/12/sys/dev/cxgbe/t4_main.c ============================================================================== --- stable/12/sys/dev/cxgbe/t4_main.c Tue Jan 15 21:06:58 2019 (r343060) +++ stable/12/sys/dev/cxgbe/t4_main.c Tue Jan 15 21:07:40 2019 (r343061) @@ -527,9 +527,9 @@ struct intrs_and_queues { static void setup_memwin(struct adapter *); static void position_memwin(struct adapter *, int, uint32_t); -static int validate_mem_range(struct adapter *, uint32_t, int); +static int validate_mem_range(struct adapter *, uint32_t, uint32_t); static int fwmtype_to_hwmtype(int); -static int validate_mt_off_len(struct adapter *, int, uint32_t, int, +static int validate_mt_off_len(struct adapter *, int, uint32_t, uint32_t, uint32_t *); static int fixup_devlog_params(struct adapter *); static int cfg_itype_and_nqueues(struct adapter *, struct intrs_and_queues *); @@ -2816,14 +2816,14 @@ t4_range_cmp(const void *a, const void *b) * the card's address space. */ static int -validate_mem_range(struct adapter *sc, uint32_t addr, int len) +validate_mem_range(struct adapter *sc, uint32_t addr, uint32_t len) { struct t4_range mem_ranges[4], *r, *next; uint32_t em, addr_len; int i, n, remaining; /* Memory can only be accessed in naturally aligned 4 byte units */ - if (addr & 3 || len & 3 || len <= 0) + if (addr & 3 || len & 3 || len == 0) return (EINVAL); /* Enabled memories */ @@ -2962,7 +2962,7 @@ fwmtype_to_hwmtype(int mtype) * the start of the range is returned in addr. */ static int -validate_mt_off_len(struct adapter *sc, int mtype, uint32_t off, int len, +validate_mt_off_len(struct adapter *sc, int mtype, uint32_t off, uint32_t len, uint32_t *addr) { uint32_t em, addr_len, maddr;
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