The first count check and fixup against "buffer - lpos" can be removed as
we will do the adjustment later against the "avail" in
sof_dfsentry_trace_read()
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
sound/soc/sof/trace.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/sound/soc/sof/trace.c b/sound/soc/sof/trace.c
index f13024c8ebf2..9b505c4fe794 100644
--- a/sound/soc/sof/trace.c
+++ b/sound/soc/sof/trace.c
@@ -308,9 +308,6 @@ static ssize_t sof_dfsentry_trace_read(struct file *file, char __user *buffer,
lpos_64 = lpos;
lpos = do_div(lpos_64, buffer_size);
- if (count > buffer_size - lpos) /* min() not used to avoid sparse warnings */
- count = buffer_size - lpos;
-
/* get available count based on current host offset */
avail = sof_wait_trace_avail(sdev, lpos, buffer_size);
if (sdev->dtrace_error) {
@@ -319,7 +316,8 @@ static ssize_t sof_dfsentry_trace_read(struct file *file, char __user *buffer,
}
/* make sure count is <= avail */
- count = avail > count ? count : avail;
+ if (count > avail)
+ count = avail;
/* copy available trace data to debugfs */
rem = copy_to_user(buffer, ((u8 *)(dfse->buf) + lpos), count);
--
2.35.0
