diff options
| author |   Michael S. Tsirkin <mst@mellanox.co.il> | 2006-07-14 00:23:55 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-14 21:53:51 -0700 |
| commit | adfaa888a292e7f38fb43668d8994f246e371f0f (patch) | |
| tree | b84155cedf9a1361ff4f7b0586c9b0be702ca605 /drivers/infiniband/core/fmr_pool.c | |
| parent | [PATCH] IB/cm: set private data length for reject messages (diff) | |
| download | linux-dev-adfaa888a292e7f38fb43668d8994f246e371f0f.tar.xz linux-dev-adfaa888a292e7f38fb43668d8994f246e371f0f.zip | |
[PATCH] fmr pool: remove unnecessary pointer dereference
ib_fmr_pool_map_phys gets the virtual address by pointer but never writes
there, and users (e.g. srp) seem to assume this and ignore the value
returned. This patch cleans up the API to get the VA by value, and updates
all users.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband/core/fmr_pool.c')
| -rw-r--r-- | drivers/infiniband/core/fmr_pool.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 615fe9cc6c56..86a3b2d401db 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -426,7 +426,7 @@ EXPORT_SYMBOL(ib_flush_fmr_pool); struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle, u64 *page_list, int list_len, - u64 *io_virtual_address) + u64 io_virtual_address) { struct ib_fmr_pool *pool = pool_handle; struct ib_pool_fmr *fmr; @@ -440,7 +440,7 @@ struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle, fmr = ib_fmr_cache_lookup(pool, page_list, list_len, - *io_virtual_address); + io_virtual_address); if (fmr) { /* found in cache */ ++fmr->ref_count; @@ -464,7 +464,7 @@ struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle, spin_unlock_irqrestore(&pool->pool_lock, flags); result = ib_map_phys_fmr(fmr->fmr, page_list, list_len, - *io_virtual_address); + io_virtual_address); if (result) { spin_lock_irqsave(&pool->pool_lock, flags); @@ -481,7 +481,7 @@ struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle, fmr->ref_count = 1; if (pool->cache_bucket) { - fmr->io_virtual_address = *io_virtual_address; + fmr->io_virtual_address = io_virtual_address; fmr->page_list_len = list_len; memcpy(fmr->page_list, page_list, list_len * sizeof(*page_list)); |