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Diffstat (limited to 'src/lib/shm_rdrbuff.c')
-rw-r--r--src/lib/shm_rdrbuff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c
index 46b2a6f7..56ae484e 100644
--- a/src/lib/shm_rdrbuff.c
+++ b/src/lib/shm_rdrbuff.c
@@ -173,7 +173,7 @@ static struct shm_rdrbuff * rdrb_create(int flags)
if (fd == -1)
goto fail_open;
- if ((flags & O_CREAT) && ftruncate(fd, SHM_FILE_SIZE - 1) < 0)
+ if ((flags & O_CREAT) && ftruncate(fd, SHM_FILE_SIZE) < 0)
goto fail_truncate;
shm_base = mmap(NULL, SHM_FILE_SIZE, MM_FLAGS, MAP_SHARED, fd, 0);