25 lines
936 B
Diff
25 lines
936 B
Diff
Index: qemu/linux-user/syscall.c
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================================================================================
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--- qemu/linux-user/syscall.c
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+++ qemu/linux-user/syscall.c
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@@ -2117,6 +2117,11 @@
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arg_type++;
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target_size = thunk_type_size(arg_type, 0);
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switch(ie->access) {
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+ /* FIXME: actually the direction given in the ioctl should be
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+ * correct so we can assume the communication is uni-directional.
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+ * The alsa developers did not like this concept though and
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+ * declared ioctls IOC_R and IOC_W even though they were IOC_RW.*/
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+/*
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case IOC_R:
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ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
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if (!is_error(ret)) {
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@@ -2131,6 +2136,7 @@
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unlock_user(argptr, arg, 0);
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ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
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break;
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+*/
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default:
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case IOC_RW:
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argptr = lock_user(arg, target_size, 1);
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