Fix: uninitialized variable in lib_ring_buffer_channel_switch_timer_start

[lttng-ust.git] / libringbuffer / ring_buffer_frontend.c

diff --git a/libringbuffer/ring_buffer_frontend.c b/libringbuffer/ring_buffer_frontend.c
index dd20852fec8ae6e58d210bc1fe7a288a677c3ff8..45c0659bfafc8bcdb83077babd00e06068d5bf74 100644 (file)
--- a/libringbuffer/ring_buffer_frontend.c
+++ b/libringbuffer/ring_buffer_frontend.c
@@ -51,7 +51,6 @@
  *   - put_subbuf
  */
 
-#define _GNU_SOURCE
 #define _LGPL_SOURCE
 #include <sys/types.h>
 #include <sys/mman.h>
@@ -805,6 +804,7 @@ void lib_ring_buffer_channel_switch_timer_start(struct channel *chan)
 
        lib_ring_buffer_setup_timer_thread();
 
+       memset(&sev, 0, sizeof(sev));
        sev.sigev_notify = SIGEV_SIGNAL;
        sev.sigev_signo = LTTNG_UST_RB_SIG_FLUSH;
        sev.sigev_value.sival_ptr = chan;
@@ -1023,11 +1023,11 @@ struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buff
 
        /* Calculate the shm allocation layout */
        shmsize = sizeof(struct channel);
-       shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp));
+       shmsize += lttng_ust_offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp));
        shmsize += sizeof(struct lttng_ust_lib_ring_buffer_shmp) * nr_streams;
        chansize = shmsize;
        if (priv_data_align)
-               shmsize += offset_align(shmsize, priv_data_align);
+               shmsize += lttng_ust_offset_align(shmsize, priv_data_align);
        shmsize += priv_data_size;
 
        /* Allocate normal memory for channel (not shared) */