diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_file_ops.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_file_ops.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index b15e34eeef68..41937c6f888a 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -351,9 +351,10 @@ static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp, * unless perhaps the user has mpin'ed the pages * themselves. */ - qib_devinfo(dd->pcidev, - "Failed to lock addr %p, %u pages: " - "errno %d\n", (void *) vaddr, cnt, -ret); + qib_devinfo( + dd->pcidev, + "Failed to lock addr %p, %u pages: errno %d\n", + (void *) vaddr, cnt, -ret); goto done; } for (i = 0; i < cnt; i++, vaddr += PAGE_SIZE) { @@ -437,7 +438,7 @@ cleanup: goto cleanup; } if (copy_to_user((void __user *) (unsigned long) ti->tidmap, - tidmap, sizeof tidmap)) { + tidmap, sizeof(tidmap))) { ret = -EFAULT; goto cleanup; } @@ -484,7 +485,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt, } if (copy_from_user(tidmap, (void __user *)(unsigned long)ti->tidmap, - sizeof tidmap)) { + sizeof(tidmap))) { ret = -EFAULT; goto done; } @@ -951,8 +952,8 @@ static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr, /* rcvegrbufs are read-only on the slave */ if (vma->vm_flags & VM_WRITE) { qib_devinfo(dd->pcidev, - "Can't map eager buffers as " - "writable (flags=%lx)\n", vma->vm_flags); + "Can't map eager buffers as writable (flags=%lx)\n", + vma->vm_flags); ret = -EPERM; goto bail; } @@ -1185,6 +1186,7 @@ static void assign_ctxt_affinity(struct file *fp, struct qib_devdata *dd) */ if (weight >= qib_cpulist_count) { int cpu; + cpu = find_first_zero_bit(qib_cpulist, qib_cpulist_count); if (cpu == qib_cpulist_count) @@ -1247,10 +1249,7 @@ static int init_subctxts(struct qib_devdata *dd, if (!qib_compatible_subctxts(uinfo->spu_userversion >> 16, uinfo->spu_userversion & 0xffff)) { qib_devinfo(dd->pcidev, - "Mismatched user version (%d.%d) and driver " - "version (%d.%d) while context sharing. Ensure " - "that driver and library are from the same " - "release.\n", + "Mismatched user version (%d.%d) and driver version (%d.%d) while context sharing. Ensure that driver and library are from the same release.\n", (int) (uinfo->spu_userversion >> 16), (int) (uinfo->spu_userversion & 0xffff), QIB_USER_SWMAJOR, QIB_USER_SWMINOR); @@ -1391,6 +1390,7 @@ static int choose_port_ctxt(struct file *fp, struct qib_devdata *dd, u32 port, } if (!ppd) { u32 pidx = ctxt % dd->num_pports; + if (usable(dd->pport + pidx)) ppd = dd->pport + pidx; else { @@ -1438,10 +1438,12 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo, if (alg == QIB_PORT_ALG_ACROSS) { unsigned inuse = ~0U; + /* find device (with ACTIVE ports) with fewest ctxts in use */ for (ndev = 0; ndev < devmax; ndev++) { struct qib_devdata *dd = qib_lookup(ndev); unsigned cused = 0, cfree = 0, pusable = 0; + if (!dd) continue; if (port && port <= dd->num_pports && @@ -1471,6 +1473,7 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo, } else { for (ndev = 0; ndev < devmax; ndev++) { struct qib_devdata *dd = qib_lookup(ndev); + if (dd) { ret = choose_port_ctxt(fp, dd, port, uinfo); if (!ret) @@ -1556,6 +1559,7 @@ static int find_hca(unsigned int cpu, int *unit) } for (ndev = 0; ndev < devmax; ndev++) { struct qib_devdata *dd = qib_lookup(ndev); + if (dd) { if (pcibus_to_node(dd->pcidev->bus) < 0) { ret = -EINVAL; |