sandbox: Rename 'free' variable
This name conflicts with our desire to #define free() to something else on
sandbox. Rename it.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index cd46e00..ef2e63f 100644
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -16,14 +16,14 @@
static int state_ensure_space(int extra_size)
{
void *blob = state->state_fdt;
- int used, size, free;
+ int used, size, free_bytes;
void *buf;
int ret;
used = fdt_off_dt_strings(blob) + fdt_size_dt_strings(blob);
size = fdt_totalsize(blob);
- free = size - used;
- if (free > extra_size)
+ free_bytes = size - used;
+ if (free_bytes > extra_size)
return 0;
size = used + extra_size;