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Diffstat (limited to 'include/rdma/uverbs_ioctl.h')
-rw-r--r--include/rdma/uverbs_ioctl.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h
index 6073fd9d9c49..0b46ef8f0b4c 100644
--- a/include/rdma/uverbs_ioctl.h
+++ b/include/rdma/uverbs_ioctl.h
@@ -207,8 +207,11 @@ struct uverbs_object_tree_def {
.u.ptr.min_len = ((uintptr_t)(&((_type *)0)->_last + 1)), .u.ptr.len = sizeof(_type)
#define UVERBS_ATTR_SIZE(_min_len, _len) \
.u.ptr.min_len = _min_len, .u.ptr.len = _len
-#define UVERBS_ATTR_MIN_SIZE(_min_len) \
- UVERBS_ATTR_SIZE(_min_len, USHRT_MAX)
+/*
+ * Specifies at least min_len bytes must be passed in, but the amount can be
+ * larger, up to the protocol maximum size. No check for zeroing is done.
+ */
+#define UVERBS_ATTR_MIN_SIZE(_min_len) UVERBS_ATTR_SIZE(_min_len, USHRT_MAX)
/* Must be used in the '...' of any UVERBS_ATTR */
#define UA_ALLOC_AND_COPY .alloc_and_copy = 1
@@ -265,13 +268,11 @@ struct uverbs_object_tree_def {
*/
#define UVERBS_ATTR_UHW() \
UVERBS_ATTR_PTR_IN(UVERBS_ATTR_UHW_IN, \
- UVERBS_ATTR_SIZE(0, USHRT_MAX), \
- UA_OPTIONAL, \
- UA_MIN_SZ_OR_ZERO), \
+ UVERBS_ATTR_MIN_SIZE(0), \
+ UA_OPTIONAL), \
UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_UHW_OUT, \
- UVERBS_ATTR_SIZE(0, USHRT_MAX), \
- UA_OPTIONAL, \
- UA_MIN_SZ_OR_ZERO), \
+ UVERBS_ATTR_MIN_SIZE(0), \
+ UA_OPTIONAL)
/*
* =======================================