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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-26 19:37:42 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-26 19:37:42 +0100 |
| commit | b4cec5f66849872d2e9573bc95c2016cb8e530ec (patch) | |
| tree | 4510723798490e1eb1926d7c9ce1b5fce0c3d984 /include | |
| parent | Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi (diff) | |
| parent | NTB: Remove _addr functions from ntb_hw_amd (diff) | |
| download | linux-b4cec5f66849872d2e9573bc95c2016cb8e530ec.tar.xz linux-b4cec5f66849872d2e9573bc95c2016cb8e530ec.zip | |
Merge tag 'ntb-4.6' of git://github.com/jonmason/ntb
Pull NTB bug fixes from Jon Mason:
"NTB bug fixes for tasklet from spinning forever, link errors,
translation window setup, NULL ptr dereference, and ntb-perf errors.
Also, a modification to the driver API that makes _addr functions
optional"
* tag 'ntb-4.6' of git://github.com/jonmason/ntb:
NTB: Remove _addr functions from ntb_hw_amd
NTB: Make _addr functions optional in the API
NTB: Fix incorrect clean up routine in ntb_perf
NTB: Fix incorrect return check in ntb_perf
ntb: fix possible NULL dereference
ntb: add missing setup of translation window
ntb: stop link work when we do not have memory
ntb: stop tasklet from spinning forever during shutdown.
ntb: perf test: fix address space confusion
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ntb.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h index f798e2afba88..6f47562d477b 100644 --- a/include/linux/ntb.h +++ b/include/linux/ntb.h @@ -284,7 +284,7 @@ static inline int ntb_dev_ops_is_valid(const struct ntb_dev_ops *ops) /* ops->db_read_mask && */ ops->db_set_mask && ops->db_clear_mask && - ops->peer_db_addr && + /* ops->peer_db_addr && */ /* ops->peer_db_read && */ ops->peer_db_set && /* ops->peer_db_clear && */ @@ -295,7 +295,7 @@ static inline int ntb_dev_ops_is_valid(const struct ntb_dev_ops *ops) ops->spad_count && ops->spad_read && ops->spad_write && - ops->peer_spad_addr && + /* ops->peer_spad_addr && */ /* ops->peer_spad_read && */ ops->peer_spad_write && 1; @@ -757,6 +757,9 @@ static inline int ntb_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr, resource_size_t *db_size) { + if (!ntb->ops->peer_db_addr) + return -EINVAL; + return ntb->ops->peer_db_addr(ntb, db_addr, db_size); } @@ -948,6 +951,9 @@ static inline int ntb_spad_write(struct ntb_dev *ntb, int idx, u32 val) static inline int ntb_peer_spad_addr(struct ntb_dev *ntb, int idx, phys_addr_t *spad_addr) { + if (!ntb->ops->peer_spad_addr) + return -EINVAL; + return ntb->ops->peer_spad_addr(ntb, idx, spad_addr); } |