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-rw-r--r--package/iwinfo/src/iwinfo_utils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/package/iwinfo/src/iwinfo_utils.c b/package/iwinfo/src/iwinfo_utils.c
index 78ea52b4ab..5ca101683f 100644
--- a/package/iwinfo/src/iwinfo_utils.c
+++ b/package/iwinfo/src/iwinfo_utils.c
@@ -184,7 +184,7 @@ int iwinfo_hardware_id_from_mtd(struct iwinfo_hardware_id *id)
if ((fd = open(buf, O_RDONLY)) < 0)
return -1;
- bc = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_LOCKED, fd, 0);
+ bc = mmap(NULL, len, PROT_READ, MAP_PRIVATE|MAP_LOCKED, fd, 0);
if ((void *)bc != MAP_FAILED)
{