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| author | Peng Hao <flyingpenghao@gmail.com> | 2026-08-28 19:15:31 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2026-09-04 10:08:46 +0200 |
| commit | a3d722190cdef18da4878b5efc27c3c386dda248 (patch) | |
| tree | ae07269e6f120df87950f7d9d94a8c861d7d0948 /tools/perf/scripts/python | |
| parent | bbb9a0ab96d44a64529aafc7a16de460a1712f6a (diff) | |
wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path
mwifiex_pcie_request_irq() registers each MSI-X vector with a per-index
dev_id (&card->msix_ctx[i]). On a request_irq() failure the cleanup loop
"for (j = 0; j < i; j++)" frees msix_entries[j].vector but passes the
failed index's &card->msix_ctx[i] as the dev_id. free_irq() matches on
(irq, dev_id), so it fails to find the action registered with
&card->msix_ctx[j]: the already-requested IRQ j is not freed (leaked) and
free_irq() warns about freeing a non-existent IRQ. Use &card->msix_ctx[j].
Fixes: 99074fc1e67b ("mwifiex: enable pcie MSIx interrupt mode support")
Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Link: https://patch.msgid.link/20260828111531.56723-1-flyingpeng@tencent.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions