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Merge branch 'work' into 'master'

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xfree86: Fix xf86Entities's xf86_platform_device pointing when udl screen unpluging.

See merge request xorg/xserver!971
This commit is contained in:
ydc-dadada 2025-12-06 17:39:28 +00:00
commit 6836198fdd
1 changed files with 22 additions and 2 deletions
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24
hw/xfree86/common/xf86platformBus.c
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@ -81,12 +81,32 @@ xf86_add_platform_device(struct OdevAttributes *attribs, Bool unowned)
int
xf86_remove_platform_device(int dev_index)
{
int j;
int i, j, tmp_index;
config_odev_free_attributes(xf86_platform_devices[dev_index].attribs);
for (j = dev_index; j < xf86_num_platform_devices - 1; j++)
/* Remove redundant members from the xf86_platform_devices[],
* and adjust the xf86Entities[i]->bus.id.plat pointer. */
if( dev_index != xf86_num_platform_devices -1 ) {
for(i=0; i<xf86NumEntities; i++) {
if( xf86Entities[i]->bus.id.plat == &xf86_platform_devices[dev_index] ) {
tmp_index = i;
}
}
}
for (j = dev_index; j < xf86_num_platform_devices - 1; j++) {
memcpy(&xf86_platform_devices[j], &xf86_platform_devices[j + 1], sizeof(struct xf86_platform_device));
for(i=0; i<xf86NumEntities; i++) {
if( xf86Entities[i]->bus.id.plat == &xf86_platform_devices[j + 1] ) {
xf86Entities[i]->bus.id.plat = &xf86_platform_devices[j];
}
}
}
xf86Entities[tmp_index]->bus.id.plat = &xf86_platform_devices[xf86_num_platform_devices -1];
xf86_num_platform_devices--;
return 0;
}