From 883a99c7024c5763d6d4f22d9239c133893e8d74 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Fri, 14 Oct 2005 14:00:58 -0700 Subject: [IB] uverbs: Add a mask of device methods allowed for userspace Give each device a uverbs_cmd_mask, so that a low-level driver can control which methods may be called on behalf of userspace. Signed-off-by: Roland Dreier --- drivers/infiniband/core/uverbs_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/infiniband/core/uverbs_main.c') diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 3a887006b25..6a5e5084db7 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -514,7 +514,8 @@ 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]) + !uverbs_cmd_table[hdr.command] || + !(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command))) return -EINVAL; if (!file->ucontext && -- cgit v1.2.3