firmware_loader: use -ETIMEDOUT instead of -EAGAIN in fw_load_sysfs_fallback
The only motivation for using -EAGAIN in commit 0542ad88 ("firmware loader: Fix _request_firmware_load() return val for fw load abort") was to distinguish the error from -ENOMEM, and so there is no real reason in keeping it. -EAGAIN is typically used to tell the userspace to try something again and in this case re-using the sysfs loading interface cannot be retried when a timeout happens, so the return value is also bogus. -ETIMEDOUT is received when the wait times out and returning that is much more telling of what the reason for the failure was. So, just propagate that instead of returning -EAGAIN. Suggested-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210728085107.4141-2-mail@anirudhrb.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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