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migration/qemu-file: drop incorrect const from qemu_get_buffer_at buf

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qemu_get_buffer_at() reads data *into* buf -- it should not be const.
Drop the qualifier and remove the now-unnecessary cast.

Signed-off-by: Junjie Cao <junjie.cao@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20260420201317.30199-4-junjie.cao@intel.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Junjie Cao
2026-04-21 04:13:17 +08:00
committed by Fabiano Rosas
parent 5e76440b56
commit 78532838ab
2 changed files with 3 additions and 3 deletions
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4
migration/qemu-file.c
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@@ -550,7 +550,7 @@ void qemu_put_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
}
size_t qemu_get_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
size_t qemu_get_buffer_at(QEMUFile *f, uint8_t *buf, size_t buflen,
off_t pos)
{
Error *err = NULL;
@@ -559,7 +559,7 @@ size_t qemu_get_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
return 0;
}
if (qio_channel_pread_all(f->ioc, (char *)buf, buflen, pos, &err) < 0) {
if (qio_channel_pread_all(f->ioc, buf, buflen, pos, &err) < 0) {
qemu_file_set_error_obj(f, -EIO, err);
return 0;
}

2
migration/qemu-file.h
View File

@@ -76,7 +76,7 @@ void qemu_set_offset(QEMUFile *f, off_t off, int whence);
off_t qemu_get_offset(QEMUFile *f);
void qemu_put_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
off_t pos);
size_t qemu_get_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
size_t qemu_get_buffer_at(QEMUFile *f, uint8_t *buf, size_t buflen,
off_t pos);
QIOChannel *qemu_file_get_ioc(QEMUFile *file);