From 63dfbd7ee03185c181a0791958ec9c8337089b55 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 22 Feb 2013 17:36:16 +0100 Subject: [PATCH] migration: use qemu_file_set_error Remove the return value of buffered_flush, pass it via the error code of s->file. Once this is done, the error can be retrieved simply via migrate_fd_close's call to qemu_fclose. Reviewed-by: Orit Wasserman Reviewed-by: Juan Quintela Signed-off-by: Paolo Bonzini Signed-off-by: Juan Quintela --- migration.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/migration.c b/migration.c index c5a7f29eb7..939c3f7640 100644 --- a/migration.c +++ b/migration.c @@ -518,7 +518,7 @@ int64_t migrate_xbzrle_cache_size(void) /* migration thread support */ -static ssize_t buffered_flush(MigrationState *s) +static void buffered_flush(MigrationState *s) { size_t offset = 0; ssize_t ret = 0; @@ -545,9 +545,8 @@ static ssize_t buffered_flush(MigrationState *s) s->buffer_size -= offset; if (ret < 0) { - return ret; + qemu_file_set_error(s->file, ret); } - return offset; } static int buffered_put_buffer(void *opaque, const uint8_t *buf, @@ -586,25 +585,15 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf, static int buffered_close(void *opaque) { MigrationState *s = opaque; - ssize_t ret = 0; - int ret2; DPRINTF("closing\n"); s->xfer_limit = INT_MAX; while (!qemu_file_get_error(s->file) && s->buffer_size) { - ret = buffered_flush(s); - if (ret < 0) { - break; - } - } - - ret2 = migrate_fd_close(s); - if (ret >= 0) { - ret = ret2; + buffered_flush(s); } s->complete = true; - return ret; + return migrate_fd_close(s); } static int buffered_get_fd(void *opaque) @@ -750,7 +739,8 @@ static void *buffered_file_thread(void *opaque) g_usleep((initial_time + BUFFER_DELAY - current_time)*1000); sleep_time += qemu_get_clock_ms(rt_clock) - current_time; } - ret = buffered_flush(s); + buffered_flush(s); + ret = qemu_file_get_error(s->file); } if (ret < 0) {