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authorChris Wilson <chris@chris-wilson.co.uk>2009-12-02 12:40:26 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2009-12-02 14:17:04 +0000
commitacb4aa671507aa181b3ff50ccf26a1c0d705a309 (patch)
treeac34b4422a04d3acfe0831b7c229ee044db44d4f /libkms
parent9fec2a8cb28d814da4fdd97b25e9cc5c10768c87 (diff)
intel: Review use of errno.
Hitting this error lead to a segfault: intel_bufmgr_gem.c:919: Error mapping buffer 48607 (pixmap): Cannot allocate memory. because the errno was reused as the function return value after being reset by the fprintf(), so caller thought the mapping had succeeded. The convention established by libdrm is that the return value is the negative errno and that uses of libdrm cannot trust the value of errno afterwards, but must use the return code. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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