X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finfiniband%2Fcore%2Fucma.c;h=b41dd26bbfa1e1b83654c487d1ff16482bf3746d;hb=7a76d89232f20411f32e7a79ccc1e2f95e9f826b;hp=ca4cf3a511abd81cdbdc02dcd3546a85e9d71201;hpb=96916090f488986a4ebb8e9ffa6a3b50881d5ccd;p=linux-2.6

diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ca4cf3a511..b41dd26bbf 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1148,6 +1148,14 @@ static unsigned int ucma_poll(struct file *filp, struct poll_table_struct *wait)
 	return mask;
 }
 
+/*
+ * ucma_open() does not need the BKL:
+ *
+ *  - no global state is referred to;
+ *  - there is no ioctl method to race against;
+ *  - no further module initialization is required for open to work
+ *    after the device is registered.
+ */
 static int ucma_open(struct inode *inode, struct file *filp)
 {
 	struct ucma_file *file;