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-rw-r--r--components/libc/mmap/posix_mmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/libc/mmap/posix_mmap.c b/components/libc/mmap/posix_mmap.c
index 3d405aad77..a16ace8306 100644
--- a/components/libc/mmap/posix_mmap.c
+++ b/components/libc/mmap/posix_mmap.c
@@ -35,7 +35,7 @@ void *mmap(void *addr, size_t length, int prot, int flags,
cur = lseek(fd, 0, SEEK_SET);
lseek(fd, offset, SEEK_SET);
- read_bytes = read(fd, addr, length);
+ read_bytes = read(fd, mem, length);
if (read_bytes != length)
{
if (addr == RT_NULL)