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Chris Wilson authored
igt_sysfs_get() only returns NULL if the open() fails, and a valid string otherwise. So if the read() fails with ENODEV (because sysfs doesn't provide the driver with an ->open() callback), we return an empty string, and "No error captured" otherwise. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109481 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Antonio Argenziano <antonio.argenziano@intel.com>
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