summaryrefslogtreecommitdiff
path: root/cmd/sf.c
diff options
context:
space:
mode:
authorLiam Beguin <liambeguin@gmail.com>2018-03-14 19:15:11 -0400
committerTom Rini <trini@konsulko.com>2018-03-22 13:25:20 -0400
commit10f087f73fff024c81439b50423ba69589d5c161 (patch)
tree372de402e327e40b1d304b5b797d06e1a8e9627f /cmd/sf.c
parentaa1ced7f09798700f3d96f39f6f5dc7d3d34cf66 (diff)
downloadu-boot-10f087f73fff024c81439b50423ba69589d5c161.tar.gz
u-boot-10f087f73fff024c81439b50423ba69589d5c161.tar.bz2
u-boot-10f087f73fff024c81439b50423ba69589d5c161.zip
cmd: sf: fix map_physmem check
Make sure 0x00 is a valid address to read to. If `addr` is 0x00 then map_physmem() will return 0 which should be a valid address. Signed-off-by: Liam Beguin <liambeguin@gmail.com> Reviewed-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'cmd/sf.c')
-rw-r--r--cmd/sf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cmd/sf.c b/cmd/sf.c
index f971eec781..e7ff9a6462 100644
--- a/cmd/sf.c
+++ b/cmd/sf.c
@@ -287,7 +287,7 @@ static int do_spi_flash_read_write(int argc, char * const argv[])
}
buf = map_physmem(addr, len, MAP_WRBACK);
- if (!buf) {
+ if (!buf && addr) {
puts("Failed to map physical memory\n");
return 1;
}