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-rw-r--r--linux-user/syscall.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 7b77503f94..11a311f9db 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -798,6 +798,12 @@ static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
 #ifdef ENOMSG
     [ENOMSG]            = TARGET_ENOMSG,
 #endif
+#ifdef ERKFILL
+    [ERFKILL]           = TARGET_ERFKILL,
+#endif
+#ifdef EHWPOISON
+    [EHWPOISON]         = TARGET_EHWPOISON,
+#endif
 };
 
 static inline int host_to_target_errno(int err)
@@ -5453,6 +5459,8 @@ static IOCTLEntry ioctl_entries[] = {
     { TARGET_ ## cmd, cmd, #cmd, access, 0, {  __VA_ARGS__ } },
 #define IOCTL_SPECIAL(cmd, access, dofn, ...)                      \
     { TARGET_ ## cmd, cmd, #cmd, access, dofn, {  __VA_ARGS__ } },
+#define IOCTL_IGNORE(cmd) \
+    { TARGET_ ## cmd, 0, #cmd },
 #include "ioctls.h"
     { 0, 0, },
 };
@@ -5484,6 +5492,10 @@ static abi_long do_ioctl(int fd, int cmd, abi_long arg)
 #endif
     if (ie->do_ioctl) {
         return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
+    } else if (!ie->host_cmd) {
+        /* Some architectures define BSD ioctls in their headers
+           that are not implemented in Linux.  */
+        return -TARGET_ENOSYS;
     }
 
     switch(arg_type[0]) {