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um: rtc: Avoid shadowing err in uml_rtc_start()

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[ Upstream commit 4c916e3b224a02019b3cc3983a15f32bfd9a22df ]

Remove the declaration of 'err' inside the 'if (timetravel)' block,
as it would otherwise be unavailable outside that block, potentially
leading to uml_rtc_start() returning an uninitialized value.

Fixes: dde8b58d51 ("um: add a pseudo RTC")
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250708090403.1067440-5-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tiwei Bie
2025-07-08 17:04:03 +08:00
committed by Greg Kroah-Hartman
parent 98f1a97d86
commit 0967ee88ec
1 changed files with 1 additions and 1 deletions
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2
arch/um/drivers/rtc_user.c
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@@ -28,7 +28,7 @@ int uml_rtc_start(bool timetravel)
int err;
if (timetravel) {
int err = os_pipe(uml_rtc_irq_fds, 1, 1);
err = os_pipe(uml_rtc_irq_fds, 1, 1);
if (err)
goto fail;
} else {