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lib: fix signed/unsigned comparison issues

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Store the result of set_vt_mode as a signed value so that errors can be
caught correctly.

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Thomas Wood 2014-02-06 16:31:54 +00:00 committed by Daniel Vetter
parent c3e9198dd0
commit 0269d1da49
1 changed files with 5 additions and 4 deletions
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9
lib/igt_kms.c
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@ -620,15 +620,16 @@ static void restore_vt_mode_at_exit(int sig)
void igt_set_vt_graphics_mode(void)
{
long ret;
igt_install_exit_handler(restore_vt_mode_at_exit);
igt_disable_exit_handler();
orig_vt_mode = set_vt_mode(KD_GRAPHICS);
if (orig_vt_mode < 0)
orig_vt_mode = -1UL;
ret = set_vt_mode(KD_GRAPHICS);
igt_enable_exit_handler();
igt_assert(orig_vt_mode >= 0);
igt_assert(ret >= 0);
orig_vt_mode = ret;
}
int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,