X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=ustd%2Flowlevel.c;h=a10f9317c056abd0fb639728ad2addad7e0b5129;hb=b641677882850cb0359687fcb40ecac557512502;hp=57a9f6631c1ba53ce035a17237a4718b2e7bd802;hpb=b102c2b0b07a155285716d9f7fd788662cecd54b;p=ust.git

diff --git a/ustd/lowlevel.c b/ustd/lowlevel.c
index 57a9f66..a10f931 100644
--- a/ustd/lowlevel.c
+++ b/ustd/lowlevel.c
@@ -15,6 +15,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <stdlib.h>
 #include <assert.h>
 #include <byteswap.h>
 
@@ -63,6 +64,8 @@ size_t subbuffer_data_size(void *subbuf)
 
 void finish_consuming_dead_subbuffer(struct buffer_info *buf)
 {
+	int result;
+
 	struct ust_buffer *ustbuf = buf->bufstruct_mem;
 
 	long write_offset = uatomic_read(&ustbuf->offset);
@@ -136,14 +139,22 @@ void finish_consuming_dead_subbuffer(struct buffer_info *buf)
 		}
 
 
-		patient_write(buf->file_fd, buf->mem + i_subbuf * buf->subbuf_size, valid_length);
+		result = patient_write(buf->file_fd, buf->mem + i_subbuf * buf->subbuf_size, valid_length);
+		if(result == -1) {
+			ERR("Error writing to buffer file");
+			return;
+		}
 
 		/* pad with empty bytes */
 		pad_size = PAGE_ALIGN(valid_length)-valid_length;
 		if(pad_size) {
 			tmp = malloc(pad_size);
 			memset(tmp, 0, pad_size);
-			patient_write(buf->file_fd, tmp, pad_size);
+			result = patient_write(buf->file_fd, tmp, pad_size);
+			if(result == -1) {
+				ERR("Error writing to buffer file");
+				return;
+			}
 			free(tmp);
 		}