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/11/sys/dev/cxgbe/t4_main.c
Directory Properties:
stable/11/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/12/sys/dev/cxgbe/t4_main.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/11/sys/dev/cxgbe/t4_main.c
==============================================================================
--- stable/11/sys/dev/cxgbe/t4_main.c Tue Jan 15 21:06:58 2019
(r343060)
+++ stable/11/sys/dev/cxgbe/t4_main.c Tue Jan 15 21:07:40 2019
(r343061)
@@ -523,9 +523,9 @@ static inline int read_via_memwin(struct adapter *, in
int);
static inline int write_via_memwin(struct adapter *, int, uint32_t,
const uint32_t *, int);
-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 *);
@@ -2681,14 +2681,14 @@ 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 */
@@ -2827,7 +2827,7 @@ 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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