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Change History

In the Linux kernel, the following vulnerability has been resolved:

scsi: ufs: core: Fix another deadlock during RTC update

If ufshcd_rtc_work calls ufshcd_rpm_put_sync() and the pm's usage_count
is 0, we will enter the runtime suspend callback.  However, the runtime
suspend callback will wait to flush ufshcd_rtc_work, causing a deadlock.

Replace ufshcd_rpm_put_sync() with ufshcd_rpm_put() to avoid the
deadlock.

kernel.org https://git.kernel.org/stable/c/a128cfec44709ab1bd1f01d158569bcb2386f54f [No types assigned]

kernel.org https://git.kernel.org/stable/c/cb7e509c4e0197f63717fee54fb41c4990ba8d3a [No types assigned]