[GIT PULL] rv fixes for 6.17-rc7

[Gabriele Monaco]

Steve,

The following changes since commit 9b5096761c184b3923ae45c5e82da31005a765c7:

  rv: Fix missing mutex unlock in rv_register_monitor() (2025-09-15 08:36:35 +0200)

are available in the Git repository at:

  ssh://git@xxxxxxxxxxxxxxxxxxx/pub/scm/linux/kernel/git/gmonaco/linux.git rv-6.17-rc7

for you to fetch changes up to 9b5096761c184b3923ae45c5e82da31005a765c7:

  rv: Fix missing mutex unlock in rv_register_monitor() (2025-09-15 08:36:35 +0200)

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Simple fixes like:
- Fix build in some riscv flavours
- Fix wrong cast, obsolete after refactoring
- Fix missing unlock on failure
- Fix duplicate import

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