forked from pool/xorg-x11-server
20 lines
663 B
Diff
20 lines
663 B
Diff
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--- hw/xfree86/os-support/bus/linuxPci.c
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+++ hw/xfree86/os-support/bus/linuxPci.c
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@@ -493,6 +493,7 @@ xf86MapDomainMemory(int ScreenNum, int F
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* legacy_mem interface is unavailable.
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*/
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if ((Base > 1024*1024) || ((fd = linuxOpenLegacy(dev, "legacy_mem")) < 0))
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+ fallback:
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return linuxMapPci(ScreenNum, Flags, dev, Base, Size,
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PCIIOC_MMAP_IS_MEM);
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else
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@@ -501,6 +502,8 @@ xf86MapDomainMemory(int ScreenNum, int F
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if (fd >= 0)
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close(fd);
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if (addr == NULL || addr == MAP_FAILED) {
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+ if (errno == ENXIO)
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+ goto fallback;
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perror("mmap failure");
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FatalError("xf86MapDomainMem(): mmap() failure\n");
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}
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