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Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
[lttng-modules.git]
/
lib
/
ringbuffer
/
ring_buffer_backend.c
diff --git
a/lib/ringbuffer/ring_buffer_backend.c
b/lib/ringbuffer/ring_buffer_backend.c
index 11dd924ed4e6a90fe208c0eafb0c7ae0523431e4..bfe63d7b34b913c8307ba4ae7cb17221a18287f1 100644
(file)
--- a/
lib/ringbuffer/ring_buffer_backend.c
+++ b/
lib/ringbuffer/ring_buffer_backend.c
@@
-317,8
+317,10
@@
int channel_backend_init(struct channel_backend *chanb,
/*
* Make sure the number of subbuffers and subbuffer size are power of 2.
*/
/*
* Make sure the number of subbuffers and subbuffer size are power of 2.
*/
- CHAN_WARN_ON(chanb, hweight32(subbuf_size) != 1);
- CHAN_WARN_ON(chanb, hweight32(num_subbuf) != 1);
+ if (hweight32(subbuf_size) != 1)
+ return -EINVAL;
+ if (hweight32(num_subbuf) != 1)
+ return -EINVAL;
ret = subbuffer_id_check_index(config, num_subbuf);
if (ret)
ret = subbuffer_id_check_index(config, num_subbuf);
if (ret)
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