From 7bee8ba8bbcef27cc98bc85747258e942f8d9717 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Wed, 20 Mar 2024 07:49:09 +0100 Subject: [PATCH] migration: Add Error** argument to xbzrle_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Since the return value (-ENOMEM) is not exploited, follow the recommendations of qapi/error.h and change it to a bool Signed-off-by: Cédric Le Goater Reviewed-by: Fabiano Rosas Link: https://lore.kernel.org/r/20240320064911.545001-14-clg@redhat.com Signed-off-by: Peter Xu --- migration/ram.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 26ce11a337..70797ef5d8 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2727,44 +2727,41 @@ int ram_discard_range(const char *rbname, uint64_t start, size_t length) * For every allocation, we will try not to crash the VM if the * allocation failed. */ -static int xbzrle_init(void) +static bool xbzrle_init(Error **errp) { - Error *local_err = NULL; - if (!migrate_xbzrle()) { - return 0; + return true; } XBZRLE_cache_lock(); XBZRLE.zero_target_page = g_try_malloc0(TARGET_PAGE_SIZE); if (!XBZRLE.zero_target_page) { - error_report("%s: Error allocating zero page", __func__); + error_setg(errp, "%s: Error allocating zero page", __func__); goto err_out; } XBZRLE.cache = cache_init(migrate_xbzrle_cache_size(), - TARGET_PAGE_SIZE, &local_err); + TARGET_PAGE_SIZE, errp); if (!XBZRLE.cache) { - error_report_err(local_err); goto free_zero_page; } XBZRLE.encoded_buf = g_try_malloc0(TARGET_PAGE_SIZE); if (!XBZRLE.encoded_buf) { - error_report("%s: Error allocating encoded_buf", __func__); + error_setg(errp, "%s: Error allocating encoded_buf", __func__); goto free_cache; } XBZRLE.current_buf = g_try_malloc(TARGET_PAGE_SIZE); if (!XBZRLE.current_buf) { - error_report("%s: Error allocating current_buf", __func__); + error_setg(errp, "%s: Error allocating current_buf", __func__); goto free_encoded_buf; } /* We are all good */ XBZRLE_cache_unlock(); - return 0; + return true; free_encoded_buf: g_free(XBZRLE.encoded_buf); @@ -2777,7 +2774,7 @@ free_zero_page: XBZRLE.zero_target_page = NULL; err_out: XBZRLE_cache_unlock(); - return -ENOMEM; + return false; } static bool ram_state_init(RAMState **rsp, Error **errp) @@ -2904,7 +2901,8 @@ static int ram_init_all(RAMState **rsp) return -1; } - if (xbzrle_init()) { + if (!xbzrle_init(&local_err)) { + error_report_err(local_err); ram_state_cleanup(rsp); return -1; }