Merge branch 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / drivers / infiniband / core / uverbs_main.c

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index eb36a81..d3fff9e 100644 (file)
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -73,7 +73,7 @@ DEFINE_IDR(ib_uverbs_cq_idr);
 DEFINE_IDR(ib_uverbs_qp_idr);
 DEFINE_IDR(ib_uverbs_srq_idr);
 
-static spinlock_t map_lock;
+static DEFINE_SPINLOCK(map_lock);
 static struct ib_uverbs_device *dev_table[IB_UVERBS_MAX_DEVICES];
 static DECLARE_BITMAP(dev_map, IB_UVERBS_MAX_DEVICES);
 
@@ -584,14 +584,16 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
 
        if (hdr.command < 0                             ||
            hdr.command >= ARRAY_SIZE(uverbs_cmd_table) ||
-           !uverbs_cmd_table[hdr.command]              ||
-           !(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command)))
+           !uverbs_cmd_table[hdr.command])
                return -EINVAL;
 
        if (!file->ucontext &&
            hdr.command != IB_USER_VERBS_CMD_GET_CONTEXT)
                return -EINVAL;
 
+       if (!(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command)))
+               return -ENOSYS;
+
        return uverbs_cmd_table[hdr.command](file, buf + sizeof hdr,
                                             hdr.in_words * 4, hdr.out_words * 4);
 }
@@ -836,8 +838,6 @@ static int __init ib_uverbs_init(void)
 {
        int ret;
 
-       spin_lock_init(&map_lock);
-
        ret = register_chrdev_region(IB_UVERBS_BASE_DEV, IB_UVERBS_MAX_DEVICES,
                                     "infiniband_verbs");
        if (ret) {