ASoC: Intel: some incorrect sizeof() usages
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Message ID 20140416153811.GB16325@mwanda
State Accepted
Commit 7897ab78f64008a81344af9fecec6527dbab7a31
Headers show

Commit Message

Dan Carpenter April 16, 2014, 3:38 p.m. UTC
The intent was to say "sizeof(*pos)" and not "sizeof(pos)".

The sizeof(*pos) is 8 bytes so the bug won't show up on 64 bit systems.
The sizeof(*dx) is 172 bytes so that will be a bugfix.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Static analysis.  Not tested.

Comments

Mark Brown April 18, 2014, 4:11 p.m. UTC | #1
On Wed, Apr 16, 2014 at 06:38:11PM +0300, Dan Carpenter wrote:
> The intent was to say "sizeof(*pos)" and not "sizeof(pos)".
> 
> The sizeof(*pos) is 8 bytes so the bug won't show up on 64 bit systems.
> The sizeof(*dx) is 172 bytes so that will be a bugfix.

Applied, thanks.

Patch
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diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index f46bb4d..4ed2d17 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -617,7 +617,7 @@  static void hsw_notification_work(struct work_struct *work)
 	case IPC_POSITION_CHANGED:
 		trace_ipc_notification("DSP stream position changed for",
 			stream->reply.stream_hw_id);
-		sst_dsp_inbox_read(hsw->dsp, pos, sizeof(pos));
+		sst_dsp_inbox_read(hsw->dsp, pos, sizeof(*pos));
 
 		if (stream->notify_position)
 			stream->notify_position(stream, stream->pdata);
@@ -1609,7 +1609,7 @@  int sst_hsw_dx_set_state(struct sst_hsw *hsw,
 	trace_ipc_request("PM enter Dx state", state);
 
 	ret = ipc_tx_message_wait(hsw, header, &state_, sizeof(state_),
-		dx, sizeof(dx));
+		dx, sizeof(*dx));
 	if (ret < 0) {
 		dev_err(hsw->dev, "ipc: error set dx state %d failed\n", state);
 		return ret;