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Initialize Mode->name in xf86CVTMode() 

This was overlooked when converting the function to use libxcvt.
Bring back name initialization from old code.

This was causing a segfault in xf86LookupMode() if modes where
name is NULL are present the modePool list.

Signed-off-by: Matthieu Herrb <matthieu@herrb.eu>
---
(cherry picked from ed11c4d443)

Reported-by: "Sergiy" <Black_N@ukr.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1319>
This commit is contained in:
Matthieu Herrb 2021-12-05 22:05:08 +01:00 committed by Marge Bot
parent f653d9a0af
commit 8a46a463f6
1 changed files with 4 additions and 0 deletions
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4
hw/xfree86/modes/xf86Modes.c
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@ -803,10 +803,14 @@ xf86CVTMode(int HDisplay, int VDisplay, float VRefresh, Bool Reduced,
{
struct libxcvt_mode_info *libxcvt_mode_info;
DisplayModeRec *Mode = xnfcalloc(1, sizeof(DisplayModeRec));
char *tmp;
libxcvt_mode_info =
libxcvt_gen_mode_info(HDisplay, VDisplay, VRefresh, Reduced, Interlaced);
XNFasprintf(&tmp, "%dx%d", HDisplay, VDisplay);
Mode->name = tmp;
Mode->VDisplay = libxcvt_mode_info->vdisplay;
Mode->HDisplay = libxcvt_mode_info->hdisplay;
Mode->Clock = libxcvt_mode_info->dot_clock;