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Thorsten Blum
0bb024f11d
If lv1_put_iopte() fails in dma_ioc0_map_pages(), the error path
decrements iopage but keeps using the failed mapping's offset. As a
result, it repeatedly tries to invalidate the failed IOPTE slot and
leaves the already installed IOPTEs valid.
Recompute offset and invalidate the installed IOPTEs instead.
Fixes: 6bb5cf1025 ("[POWERPC] PS3: System-bus rework")
Cc: [email protected]
Signed-off-by: Thorsten Blum <[email protected]>
Reviewed-by: Ritesh Harjani (IBM) <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Madhavan Srinivasan <[email protected]>
Link: https://patch.msgid.link/[email protected]