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[Qemu-devel] [PATCH] migration: fix warning for source_return_path_threa
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH] migration: fix warning for source_return_path_thread |
Date: |
Wed, 9 Mar 2016 14:12:12 +0800 |
max_len is not necessary, while it brings a warning during compilation
when specify "-Wstack-usage=1000000". Replacing using sizeof().
Signed-off-by: Peter Xu <address@hidden>
---
migration/migration.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 0129d9f..6680d95 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1268,8 +1268,7 @@ static void *source_return_path_thread(void *opaque)
MigrationState *ms = opaque;
QEMUFile *rp = ms->rp_state.from_dst_file;
uint16_t header_len, header_type;
- const int max_len = 512;
- uint8_t buf[max_len];
+ uint8_t buf[512];
uint32_t tmp32, sibling_error;
ram_addr_t start = 0; /* =0 to silence warning */
size_t len = 0, expected_len;
@@ -1292,7 +1291,7 @@ static void *source_return_path_thread(void *opaque)
if ((rp_cmd_args[header_type].len != -1 &&
header_len != rp_cmd_args[header_type].len) ||
- header_len > max_len) {
+ header_len > sizeof(buf)) {
error_report("RP: Received '%s' message (0x%04x) with"
"incorrect length %d expecting %zu",
rp_cmd_args[header_type].name, header_type, header_len,
--
2.4.3
- [Qemu-devel] [PATCH] migration: fix warning for source_return_path_thread,
Peter Xu <=