This one actually seems to imply that vmw_cmd_invalid() is broken:
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c:522:34: warning: the omitted
middle operand in ?: will always be ‘true’, suggest explicit middle
operand [-Wparentheses]
return capable(CAP_SYS_ADMIN) ? : -EINVAL;
^
gcc is very right. I think the *intent* of that function is to return
0 if CAP_SYS_ADMIN, but it always returns nonzero.
If CAP_SYS_ADMIN is true, it returns 1, and if it's false it returns -EINVAL.
Since nobody has noticed in many many years, maybe it should just
always return -EINVAL unconditionally?
Linus
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