It's the natural type for object sizes and matches the return value of
sizeof(buf).

Signed-off-by: Simon Ruderich <simon@ruderich.org>
---
 cpus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpus.c b/cpus.c
index c0d796f441..ee54595733 100644
--- a/cpus.c
+++ b/cpus.c
@@ -2370,7 +2370,7 @@ void qmp_memsave(int64_t addr, int64_t size, const char *filename,
                  bool has_cpu, int64_t cpu_index, Error **errp)
 {
     int fd;
-    uint32_t l;
+    size_t l;
     CPUState *cpu;
     uint8_t buf[1024];
     int64_t orig_addr = addr, orig_size = size;
@@ -2418,7 +2418,7 @@ void qmp_pmemsave(int64_t addr, int64_t size, const char *filename,
                   Error **errp)
 {
     int fd;
-    uint32_t l;
+    size_t l;
     uint8_t buf[1024];
 
     fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0600);
-- 
2.19.1