diff options
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/core/mad.c | 21 | ||||
-rw-r--r-- | drivers/infiniband/core/uverbs.h | 2 | ||||
-rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 25 | ||||
-rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 24 |
4 files changed, 30 insertions, 42 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 7522008fda8..58463da814d 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1193,10 +1193,7 @@ static int method_in_use(struct ib_mad_mgmt_method_table **method, { int i; - for (i = find_first_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS); - i < IB_MGMT_MAX_METHODS; - i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS, - 1+i)) { + for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS) { if ((*method)->agent[i]) { printk(KERN_ERR PFX "Method %d already in use\n", i); return -EINVAL; @@ -1330,13 +1327,9 @@ static int add_nonoui_reg_req(struct ib_mad_reg_req *mad_reg_req, goto error3; /* Finally, add in methods being registered */ - for (i = find_first_bit(mad_reg_req->method_mask, - IB_MGMT_MAX_METHODS); - i < IB_MGMT_MAX_METHODS; - i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS, - 1+i)) { + for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS) (*method)->agent[i] = agent_priv; - } + return 0; error3: @@ -1429,13 +1422,9 @@ check_in_use: goto error4; /* Finally, add in methods being registered */ - for (i = find_first_bit(mad_reg_req->method_mask, - IB_MGMT_MAX_METHODS); - i < IB_MGMT_MAX_METHODS; - i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS, - 1+i)) { + for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS) (*method)->agent[i] = agent_priv; - } + return 0; error4: diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index e54d9ac6d1c..a078e5624d2 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -146,7 +146,7 @@ extern struct idr ib_uverbs_srq_idr; void idr_remove_uobj(struct idr *idp, struct ib_uobject *uobj); struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file, - int is_async, int *fd); + int is_async); struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd); void ib_uverbs_release_ucq(struct ib_uverbs_file *file, diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 112d3970222..f71cf138d67 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -301,10 +301,15 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, resp.num_comp_vectors = file->device->num_comp_vectors; - filp = ib_uverbs_alloc_event_file(file, 1, &resp.async_fd); + ret = get_unused_fd(); + if (ret < 0) + goto err_free; + resp.async_fd = ret; + + filp = ib_uverbs_alloc_event_file(file, 1); if (IS_ERR(filp)) { ret = PTR_ERR(filp); - goto err_free; + goto err_fd; } if (copy_to_user((void __user *) (unsigned long) cmd.response, @@ -332,9 +337,11 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, return in_len; err_file: - put_unused_fd(resp.async_fd); fput(filp); +err_fd: + put_unused_fd(resp.async_fd); + err_free: ibdev->dealloc_ucontext(ucontext); @@ -715,6 +722,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, struct ib_uverbs_create_comp_channel cmd; struct ib_uverbs_create_comp_channel_resp resp; struct file *filp; + int ret; if (out_len < sizeof resp) return -ENOSPC; @@ -722,9 +730,16 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - filp = ib_uverbs_alloc_event_file(file, 0, &resp.fd); - if (IS_ERR(filp)) + ret = get_unused_fd(); + if (ret < 0) + return ret; + resp.fd = ret; + + filp = ib_uverbs_alloc_event_file(file, 0); + if (IS_ERR(filp)) { + put_unused_fd(resp.fd); return PTR_ERR(filp); + } if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index ff59a795e84..4fa2e651644 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -484,11 +484,10 @@ void ib_uverbs_event_handler(struct ib_event_handler *handler, } struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file, - int is_async, int *fd) + int is_async) { struct ib_uverbs_event_file *ev_file; struct file *filp; - int ret; ev_file = kmalloc(sizeof *ev_file, GFP_KERNEL); if (!ev_file) @@ -503,27 +502,12 @@ struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file, ev_file->is_async = is_async; ev_file->is_closed = 0; - *fd = get_unused_fd(); - if (*fd < 0) { - ret = *fd; - goto err; - } - - filp = anon_inode_getfile("[uverbs-event]", &uverbs_event_fops, + filp = anon_inode_getfile("[infinibandevent]", &uverbs_event_fops, ev_file, O_RDONLY); - if (!filp) { - ret = -ENFILE; - goto err_fd; - } + if (IS_ERR(filp)) + kfree(ev_file); return filp; - -err_fd: - put_unused_fd(*fd); - -err: - kfree(ev_file); - return ERR_PTR(ret); } /* |