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dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()

At the end of this function, d is the traversal cursor of flist, but the
code completes found instead. This can lead to issues such as NULL pointer
dereferences, double completion, or descriptor leaks.

Fix this by completing d instead of found in the final
list_for_each_entry_safe() loop.

Fixes: aa8d18becc0c ("dmaengine: idxd: add callback support for iaa crypto")
Signed-off-by: Tuo Li <islituo@gmail.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260106032428.162445-1-islituo@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

authored by

Tuo Li and committed by
Vinod Koul e1c98661 e0adbf74

+1 -1
+1 -1
drivers/dma/idxd/submit.c
··· 138 138 */ 139 139 list_for_each_entry_safe(d, t, &flist, list) { 140 140 list_del_init(&d->list); 141 - idxd_dma_complete_txd(found, IDXD_COMPLETE_ABORT, true, 141 + idxd_dma_complete_txd(d, IDXD_COMPLETE_ABORT, true, 142 142 NULL, NULL); 143 143 } 144 144 }