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Input: sur40 - suppress false uninitialized variable warning 

We will never use packet_id before initializing it as we start with
"need_blobs == -1" and will set packet_id there.

Also use le32_to_cpu when fetching header->packet_id.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2013-11-26 11:03:57 -08:00
parent 358f24704f
commit b884eb8c85
1 changed files with 2 additions and 2 deletions
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4
drivers/input/touchscreen/sur40.c
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@ -251,7 +251,7 @@ static void sur40_poll(struct input_polled_dev *polldev)
struct sur40_state *sur40 = polldev->private; struct sur40_state *sur40 = polldev->private;
struct input_dev *input = polldev->input; struct input_dev *input = polldev->input;
int result, bulk_read, need_blobs, packet_blobs, i; int result, bulk_read, need_blobs, packet_blobs, i;
u32 packet_id; u32 uninitialized_var(packet_id);
struct sur40_header *header = &sur40->bulk_in_buffer->header; struct sur40_header *header = &sur40->bulk_in_buffer->header;
struct sur40_blob *inblob = &sur40->bulk_in_buffer->blobs[0]; struct sur40_blob *inblob = &sur40->bulk_in_buffer->blobs[0];
@ -286,7 +286,7 @@ static void sur40_poll(struct input_polled_dev *polldev)
if (need_blobs == -1) { if (need_blobs == -1) {
need_blobs = le16_to_cpu(header->count); need_blobs = le16_to_cpu(header->count);
dev_dbg(sur40->dev, "need %d blobs\n", need_blobs); dev_dbg(sur40->dev, "need %d blobs\n", need_blobs);
packet_id = header->packet_id; packet_id = le32_to_cpu(header->packet_id);
} }
/* /*