rxrpc: Use ACCESS_ONCE() when accessing circular buffer pointers

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Use ACCESS_ONCE() when accessing the other-end pointer into a circular
buffer as it's possible the other-end pointer might change whilst we're
doing this, and if we access it twice, we might get some weird things
happening.

Signed-off-by: David Howells <dhowells@redhat.com>

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David Howells 2016-03-04 15:58:06 +00:00

parent b4f1342f91

commit ee72b9fddb

1 changed files with 7 additions and 4 deletions

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net/rxrpc/ar-output.c

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