The second half of the if statement is basically duplicated. It doesn't
need to be treated as a special case. We could do something like below.
I deliberately didn't delete the tabs. Also I haven't tested it.
regards,
dan carpenter
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 56f7e06c673e..2ba65f9ad3f1 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -328,9 +328,9 @@ static int create_gpadl_header(enum hv_gpadl_type type,
void *kbuffer,
sizeof(struct gpa_range);
pfncount = pfnsize / sizeof(u64);
- if (pagecount > pfncount) {
- /* we need a gpadl body */
- /* fill in the header */
+ if (pagecount < pfncount)
+ pfncount = pagecount;
+
msgsize = sizeof(struct vmbus_channel_msginfo) +
sizeof(struct vmbus_channel_gpadl_header) +
sizeof(struct gpa_range) + pfncount * sizeof(u64);
@@ -410,31 +410,6 @@ static int create_gpadl_header(enum hv_gpadl_type type,
void *kbuffer,
pfnsum += pfncurr;
pfnleft -= pfncurr;
}
- } else {
- /* everything fits in a header */
- msgsize = sizeof(struct vmbus_channel_msginfo) +
- sizeof(struct vmbus_channel_gpadl_header) +
- sizeof(struct gpa_range) + pagecount * sizeof(u64);
- msgheader = kzalloc(msgsize, GFP_KERNEL);
- if (msgheader == NULL)
- goto nomem;
-
- INIT_LIST_HEAD(&msgheader->submsglist);
- msgheader->msgsize = msgsize;
-
- gpadl_header = (struct vmbus_channel_gpadl_header *)
- msgheader->msg;
- gpadl_header->rangecount = 1;
- gpadl_header->range_buflen = sizeof(struct gpa_range) +
- pagecount * sizeof(u64);
- gpadl_header->range[0].byte_offset = 0;
- gpadl_header->range[0].byte_count = hv_gpadl_size(type, size);
- for (i = 0; i < pagecount; i++)
- gpadl_header->range[0].pfn_array[i] = hv_gpadl_hvpfn(
- type, kbuffer, size, send_offset, i);
-
- *msginfo = msgheader;
- }
return 0;
nomem:
