diff options
| -rw-r--r-- | src/egl/main/eglglobals.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c index 6fdc6c31ce3..90712266189 100644 --- a/src/egl/main/eglglobals.c +++ b/src/egl/main/eglglobals.c @@ -168,7 +168,18 @@ _eglPointerIsDereferencable(void *p) return EGL_FALSE; } - return (valid & 0x01) == 0x01; + /* mincore() returns 0 on success, and -1 on failure. The last parameter + * is a vector of bytes with one entry for each page queried. mincore + * returns page residency information in the first bit of each byte in the + * vector. + * + * Residency doesn't actually matter when determining whether a pointer is + * dereferenceable, so the output vector can be ignored. What matters is + * whether mincore succeeds. See: + * + * http://man7.org/linux/man-pages/man2/mincore.2.html + */ + return EGL_TRUE; #else return p != NULL; #endif |