sm_io/modules/acq/*: fix number of post-samples alignement

If the number of post-trigger samples is 0, do not try to align it to anything (it's already aligned).

sm_io/modules/acq/*: fix number of post-samples alignement
If the number of post-trigger samples is 0, do not try to align it to anything (it's already aligned).
d274e2d5 · Lucas Russo · 1a2132bf · d274e2d5
Commit d274e2d5 authored Nov 10, 2015 by Lucas Russo
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

sm_io_acq_exp.c src/sm_io/modules/acq/sm_io_acq_exp.c +2 -1

No files found.
--- a/src/sm_io/modules/acq/sm_io_acq_exp.c
+++ b/src/sm_io/modules/acq/sm_io_acq_exp.c
@@ -163,7 +163,8 @@ static int _acq_data_acquire (void *owner, void *args, void *ret)
        DDR3_PAYLOAD_SIZE/acq->acq_buf[chan].sample_size;
    uint32_t num_samples_pre_aligned = num_samples_pre + samples_alignment -
        (num_samples_pre % samples_alignment);
-    uint32_t num_samples_post_aligned = num_samples_post + samples_alignment -
+    uint32_t num_samples_post_aligned = (num_samples_post==0) ? 0 :
+        num_samples_post + samples_alignment -
        (num_samples_post % samples_alignment);

    /* Set the parameters: number of samples of this channel */