[PATCH 0/2] migration: Only pass negative values to qemu_file_set_error()

[Fabiano Rosas <farosas@suse.de>]

qemu_file_set_error() sets f->last_error, which is later used by
functions in qemu-file.c to return the error to callers.

The following functions expect f->last_error to be -errno:

qemu_file_get_error_obj()
qemu_file_get_error()
qemu_fclose()

Make sure qemu_file_set_error() always receives a negative number and
document the assumption.

Fabiano Rosas (2):
  target/arm: Return negative value on power state migration error
  migration: Make it clear that qemu_file_set_error() needs a negative
    value

 migration/qemu-file.c | 2 ++
 migration/savevm.c    | 6 +++---
 target/arm/machine.c  | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

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2.35.3