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Differential D58285

LinuxKPI: pci: fix dma handle type in match function
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Authored by bz on Jul 16 2026, 4:29 PM.
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linuxkpi
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rGa7d0df951c90: LinuxKPI: pci: fix dma handle type in match function
rG2099bf27126f: LinuxKPI: pci: fix dma handle type in match function
Summary

dma_addr_t is a vm_paddr_t which is a uint of some width. Rather than
passing pointers of it around pass the value.

Comparing the addresses of different storage for the same dma handle
(the actual bug here) will not work when passed to the devres match
function.

Sponsored by: The FreeBSD Foundation
Fixes: 0a575891211ef ("implement dmam_free_coherent()")
MFC after: 3 days

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rG FreeBSD src repository
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sys/
compat/
linuxkpi/
common/
src/
8 lines

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sys/compat/linuxkpi/common/src/linux_pci.c

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