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211e5b7a00
When the ism driver allocates a new dmb in ism_alloc_dmb() it must first check for and reserve a slot in the sba bitmap. When find_next_zero_bit() finds no free slot then the return code is -ENOMEM. This code conflicts with the error when the alloc() fails later in the code. As a result of that the caller can not differentiate between out-of-memory conditions and sba-bitmap-full conditions. Fix that by using the return code -ENOSPC when the sba slot reservation failed. Reviewed-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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