Merge branches 'cxgb4', 'flowsteer' and 'misc' into for-linus
This commit is contained in:
commit
22f12c60e1
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@ -181,9 +181,16 @@ static void add_ref(struct iw_cm_id *cm_id)
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static void rem_ref(struct iw_cm_id *cm_id)
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{
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struct iwcm_id_private *cm_id_priv;
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int cb_destroy;
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cm_id_priv = container_of(cm_id, struct iwcm_id_private, id);
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if (iwcm_deref_id(cm_id_priv) &&
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test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags)) {
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/*
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* Test bit before deref in case the cm_id gets freed on another
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* thread.
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*/
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cb_destroy = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags);
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if (iwcm_deref_id(cm_id_priv) && cb_destroy) {
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BUG_ON(!list_empty(&cm_id_priv->work_list));
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free_cm_id(cm_id_priv);
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}
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@ -49,12 +49,20 @@
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#define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \
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do { \
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(udata)->inbuf = (void __user *) (ibuf); \
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(udata)->inbuf = (const void __user *) (ibuf); \
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(udata)->outbuf = (void __user *) (obuf); \
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(udata)->inlen = (ilen); \
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(udata)->outlen = (olen); \
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} while (0)
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#define INIT_UDATA_BUF_OR_NULL(udata, ibuf, obuf, ilen, olen) \
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do { \
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(udata)->inbuf = (ilen) ? (const void __user *) (ibuf) : NULL; \
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(udata)->outbuf = (olen) ? (void __user *) (obuf) : NULL; \
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(udata)->inlen = (ilen); \
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(udata)->outlen = (olen); \
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} while (0)
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/*
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* Our lifetime rules for these structs are the following:
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*
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@ -2593,6 +2593,9 @@ out_put:
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static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec,
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union ib_flow_spec *ib_spec)
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{
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if (kern_spec->reserved)
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return -EINVAL;
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ib_spec->type = kern_spec->type;
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switch (ib_spec->type) {
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@ -2646,6 +2649,9 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
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void *ib_spec;
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int i;
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if (ucore->inlen < sizeof(cmd))
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return -EINVAL;
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if (ucore->outlen < sizeof(resp))
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return -ENOSPC;
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@ -2671,6 +2677,10 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
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(cmd.flow_attr.num_of_specs * sizeof(struct ib_uverbs_flow_spec)))
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return -EINVAL;
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if (cmd.flow_attr.reserved[0] ||
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cmd.flow_attr.reserved[1])
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return -EINVAL;
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if (cmd.flow_attr.num_of_specs) {
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kern_flow_attr = kmalloc(sizeof(*kern_flow_attr) + cmd.flow_attr.size,
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GFP_KERNEL);
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@ -2731,6 +2741,7 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
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if (cmd.flow_attr.size || (i != flow_attr->num_of_specs)) {
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pr_warn("create flow failed, flow %d: %d bytes left from uverb cmd\n",
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i, cmd.flow_attr.size);
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err = -EINVAL;
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goto err_free;
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}
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flow_id = ib_create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER);
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@ -2791,10 +2802,16 @@ int ib_uverbs_ex_destroy_flow(struct ib_uverbs_file *file,
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struct ib_uobject *uobj;
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int ret;
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if (ucore->inlen < sizeof(cmd))
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return -EINVAL;
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ret = ib_copy_from_udata(&cmd, ucore, sizeof(cmd));
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if (ret)
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return ret;
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if (cmd.comp_mask)
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return -EINVAL;
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uobj = idr_write_uobj(&ib_uverbs_rule_idr, cmd.flow_handle,
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file->ucontext);
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if (!uobj)
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@ -668,23 +668,28 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
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if ((hdr.in_words + ex_hdr.provider_in_words) * 8 != count)
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return -EINVAL;
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if (ex_hdr.cmd_hdr_reserved)
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return -EINVAL;
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if (ex_hdr.response) {
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if (!hdr.out_words && !ex_hdr.provider_out_words)
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return -EINVAL;
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if (!access_ok(VERIFY_WRITE,
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(void __user *) (unsigned long) ex_hdr.response,
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(hdr.out_words + ex_hdr.provider_out_words) * 8))
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return -EFAULT;
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} else {
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if (hdr.out_words || ex_hdr.provider_out_words)
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return -EINVAL;
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}
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INIT_UDATA(&ucore,
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(hdr.in_words) ? buf : 0,
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(unsigned long)ex_hdr.response,
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hdr.in_words * 8,
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hdr.out_words * 8);
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INIT_UDATA_BUF_OR_NULL(&ucore, buf, (unsigned long) ex_hdr.response,
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hdr.in_words * 8, hdr.out_words * 8);
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INIT_UDATA(&uhw,
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(ex_hdr.provider_in_words) ? buf + ucore.inlen : 0,
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(ex_hdr.provider_out_words) ? (unsigned long)ex_hdr.response + ucore.outlen : 0,
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INIT_UDATA_BUF_OR_NULL(&uhw,
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buf + ucore.inlen,
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(unsigned long) ex_hdr.response + ucore.outlen,
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ex_hdr.provider_in_words * 8,
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ex_hdr.provider_out_words * 8);
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@ -978,7 +978,7 @@ struct ib_uobject {
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};
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struct ib_udata {
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void __user *inbuf;
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const void __user *inbuf;
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void __user *outbuf;
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size_t inlen;
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size_t outlen;
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