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Samsung SoC driver fixes for v7.1

Browse source 
Fix several concurrency issues present in Samsung ACPM firmware drivers,
 used currently only on Google GS101.  Tudor with help of Sashiko
 identified several missing barriers and incomplete synchronization,
 leading to possible transfer data corruption or use after free.  Few
 other issues related to probe, including missing mailbox cleanup, were
 also fixed.
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Merge tag 'samsung-drivers-fixes-7.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes

Samsung SoC driver fixes for v7.1

Fix several concurrency issues present in Samsung ACPM firmware drivers,
used currently only on Google GS101.  Tudor with help of Sashiko
identified several missing barriers and incomplete synchronization,
leading to possible transfer data corruption or use after free.  Few
other issues related to probe, including missing mailbox cleanup, were
also fixed.

* tag 'samsung-drivers-fixes-7.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  firmware: samsung: acpm: Fix infinite loop on sequence number exhaustion
  firmware: samsung: acpm: Fix missing LKMM barriers in sequence allocator
  firmware: samsung: acpm: Fix false timeouts and Use-After-Free in polling
  firmware: samsung: acpm: Fix mailbox channel leak on probe error
  firmware: samsung: acpm: Fix cross-thread RX length corruption

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2026-05-29 23:37:25 +02:00
commit f5e70b3f30
2 changed files with 100 additions and 44 deletions
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