xtensa: fix lock_mm_and_find_vma in case VMA not found

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commit 03f889378f upstream.

MMU version of lock_mm_and_find_vma releases the mm lock before
returning when VMA is not found. Do the same in noMMU version.
This fixes hang on an attempt to handle protection fault.

Fixes: d85a143b69 ("xtensa: fix NOMMU build with lock_mm_and_find_vma() conversion")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Max Filippov 2023-07-01 03:31:55 -07:00 • committed by Greg Kroah-Hartman

parent 5937767947

commit 8911865ae2

1 changed files with 6 additions and 1 deletions

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mm/nommu.c

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