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-rw-r--r--io.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/io.c b/io.c
index 81da283384..0410e6339f 100644
--- a/io.c
+++ b/io.c
@@ -7956,8 +7956,6 @@ ioctl_narg_len(ioctl_req_t cmd)
#endif
#ifdef IOCPARM_LEN
len = IOCPARM_LEN(cmd); /* on BSDish systems we're safe */
-#elif defined(_IOC_SIZE)
- len = _IOC_SIZE(cmd);
#else
len = 256; /* otherwise guess at what's safe */
#endif