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-rw-r--r--nuttx/include/errno.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/include/errno.h b/nuttx/include/errno.h
index 1316b56fc..09c9690b6 100644
--- a/nuttx/include/errno.h
+++ b/nuttx/include/errno.h
@@ -50,7 +50,7 @@
#define errno *get_errno_ptr()
#ifndef CONFIG_NUTTX_KERNEL
-# define set_errno(e) do { errno = (int)(a); } while (0)
+# define set_errno(e) do { errno = (int)(e); } while (0)
# define get_errno(e) errno
#endif