mirror of https://gitee.com/openkylin/qemu.git
chardev: remove qemu_chr_fe_read_all() counter
There is no obvious reason to have a loop counter. This limits from reading several megabytes large buffers in one go, since socket read/write usually have a limit. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -56,7 +56,7 @@ int qemu_chr_fe_write_all(CharBackend *be, const uint8_t *buf, int len)
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int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len)
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int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len)
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{
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{
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Chardev *s = be->chr;
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Chardev *s = be->chr;
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int offset = 0, counter = 10;
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int offset = 0;
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int res;
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int res;
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if (!s || !CHARDEV_GET_CLASS(s)->chr_sync_read) {
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if (!s || !CHARDEV_GET_CLASS(s)->chr_sync_read) {
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@ -88,10 +88,6 @@ int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len)
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}
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}
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offset += res;
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offset += res;
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if (!counter--) {
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break;
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}
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}
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}
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if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) {
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if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) {
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