migration: Use g_autofree to simplify ram_dirty_bitmap_reload()
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-ID: <20231011023627.86691-1-philmd@linaro.org>
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@ -4159,7 +4159,8 @@ int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block)
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int ret = -EINVAL;
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/* from_dst_file is always valid because we're within rp_thread */
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QEMUFile *file = s->rp_state.from_dst_file;
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unsigned long *le_bitmap, nbits = block->used_length >> TARGET_PAGE_BITS;
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g_autofree unsigned long *le_bitmap = NULL;
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unsigned long nbits = block->used_length >> TARGET_PAGE_BITS;
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uint64_t local_size = DIV_ROUND_UP(nbits, 8);
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uint64_t size, end_mark;
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RAMState *rs = ram_state;
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@ -4188,8 +4189,7 @@ int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block)
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error_report("%s: ramblock '%s' bitmap size mismatch "
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"(0x%"PRIx64" != 0x%"PRIx64")", __func__,
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block->idstr, size, local_size);
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ret = -EINVAL;
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goto out;
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return -EINVAL;
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}
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size = qemu_get_buffer(file, (uint8_t *)le_bitmap, local_size);
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@ -4200,15 +4200,13 @@ int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block)
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error_report("%s: read bitmap failed for ramblock '%s': %d"
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" (size 0x%"PRIx64", got: 0x%"PRIx64")",
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__func__, block->idstr, ret, local_size, size);
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ret = -EIO;
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goto out;
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return -EIO;
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}
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if (end_mark != RAMBLOCK_RECV_BITMAP_ENDING) {
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error_report("%s: ramblock '%s' end mark incorrect: 0x%"PRIx64,
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__func__, block->idstr, end_mark);
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ret = -EINVAL;
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goto out;
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return -EINVAL;
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}
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/*
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@ -4240,10 +4238,7 @@ int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block)
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*/
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migration_rp_kick(s);
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ret = 0;
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out:
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g_free(le_bitmap);
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return ret;
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return 0;
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}
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static int ram_resume_prepare(MigrationState *s, void *opaque)
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