[PATCH v2] rds: avoid potential stack overflow

On (03/11/15 22:46), Arnd Bergmann wrote:

The rds_iw_update_cm_id function stores a large 'struct rds_sock' object
on the stack in order to pass a pair of addresses. This happens to just
fit withint the 1024 byte stack size warning limit on x86, but just
exceed that limit on ARM, which gives us this warning:

  :

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Sowmini Varadhan <redacted>

--Sowmini