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| author | Olaf Kirch <olaf.kirch@oracle.com> | 2008-02-04 20:20:44 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-02-04 20:20:44 -0800 |
| commit | 2c78853472a36c7cf51a84a34edc370e21c93ce4 (patch) | |
| tree | a89ab43cc596415f80e434470595fcbb4f8e7544 | |
| parent | f33afc26dc03e6e0513e2e300f2aa0ad5463c2d2 (diff) | |
| download | linux-2c78853472a36c7cf51a84a34edc370e21c93ce4.tar.gz linux-2c78853472a36c7cf51a84a34edc370e21c93ce4.tar.bz2 linux-2c78853472a36c7cf51a84a34edc370e21c93ce4.zip | |
IB/mthca: Return proper error codes from mthca_fmr_alloc()
If the allocation of the MTT or the mailbox failed, mthca_fmr_alloc()
would return 0 (success) no matter what. This leads to crashes a
little down the road, when we try to dereference eg mr->mtt, which was
really ERR_PTR(-Ewhatever).
Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index aa6c70a6a36f..3b6985557cb2 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -613,8 +613,10 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd, sizeof *(mr->mem.tavor.mpt) * idx; mr->mtt = __mthca_alloc_mtt(dev, list_len, dev->mr_table.fmr_mtt_buddy); - if (IS_ERR(mr->mtt)) + if (IS_ERR(mr->mtt)) { + err = PTR_ERR(mr->mtt); goto err_out_table; + } mtt_seg = mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE; @@ -627,8 +629,10 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd, mr->mem.tavor.mtts = dev->mr_table.tavor_fmr.mtt_base + mtt_seg; mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); - if (IS_ERR(mailbox)) + if (IS_ERR(mailbox)) { + err = PTR_ERR(mailbox); goto err_out_free_mtt; + } mpt_entry = mailbox->buf; |