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author | Wojciech Macek <wma@FreeBSD.org> | 2016-02-29 09:22:39 +0000 |
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committer | Wojciech Macek <wma@FreeBSD.org> | 2016-02-29 09:22:39 +0000 |
commit | e571e15cb06e800b8360532b16406c8001a110ed (patch) | |
tree | 8f473b7ed4691fe398e44ade68a0d37d22739240 /sys/dev/fdt | |
parent | 6512e692786c2d017dba9f7d275ef6a7cb1aeb50 (diff) | |
download | src-e571e15cb06e800b8360532b16406c8001a110ed.tar.gz src-e571e15cb06e800b8360532b16406c8001a110ed.zip |
Fix fdt_get_mem_regions() to work with 64-bit addresses
Use u_long instead of uint32_t variables to avoid overflow
in case of PA space bigger than 32-bit.
Obtained from: Semihalf
Submitted by: Michal Stanek <mst@semihalf.com>
Sponsored by: Annapurna Labs
Approved by: cognet (mentor)
Reviewed by: andrew, br, wma
Differential revision: https://reviews.freebsd.org/D5393
Notes
Notes:
svn path=/head/; revision=296189
Diffstat (limited to 'sys/dev/fdt')
-rw-r--r-- | sys/dev/fdt/fdt_common.c | 4 | ||||
-rw-r--r-- | sys/dev/fdt/fdt_common.h | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/fdt/fdt_common.c b/sys/dev/fdt/fdt_common.c index c7d33976bf39..4360fa134458 100644 --- a/sys/dev/fdt/fdt_common.c +++ b/sys/dev/fdt/fdt_common.c @@ -647,12 +647,12 @@ out: } int -fdt_get_mem_regions(struct mem_region *mr, int *mrcnt, uint32_t *memsize) +fdt_get_mem_regions(struct mem_region *mr, int *mrcnt, u_long *memsize) { pcell_t reg[FDT_REG_CELLS * FDT_MEM_REGIONS]; pcell_t *regp; phandle_t memory; - uint32_t memory_size; + u_long memory_size; int addr_cells, size_cells; int i, max_size, reg_len, rv, tuple_size, tuples; diff --git a/sys/dev/fdt/fdt_common.h b/sys/dev/fdt/fdt_common.h index 3eb33c19cf70..278244e189e2 100644 --- a/sys/dev/fdt/fdt_common.h +++ b/sys/dev/fdt/fdt_common.h @@ -85,7 +85,7 @@ u_long fdt_data_get(void *, int); int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *); phandle_t fdt_find_compatible(phandle_t, const char *, int); phandle_t fdt_depth_search_compatible(phandle_t, const char *, int); -int fdt_get_mem_regions(struct mem_region *, int *, uint32_t *); +int fdt_get_mem_regions(struct mem_region *, int *, u_long *); int fdt_get_reserved_regions(struct mem_region *, int *); int fdt_get_phyaddr(phandle_t, device_t, int *, void **); int fdt_get_range(phandle_t, int, u_long *, u_long *); |