NTB: epf: Fix request_irq() unwind in ntb_epf_init_isr()

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ntb_epf_init_isr() requests multiple MSI/MSI-X vectors in a loop. If
request_irq() fails part-way through, it jumps straight to
pci_free_irq_vectors() without freeing already requested IRQs.

Fix the error path by freeing any successfully requested IRQs before
releasing the vectors.

Fixes: 812ce2f8d1 ("NTB: Add support for EPF PCI Non-Transparent Bridge")
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Cc: stable@vger.kernel.org # v5.12+
Link: https://patch.msgid.link/20260304083028.1391068-2-den@valinux.co.jp

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Koichiro Den 2026-03-04 17:30:27 +09:00 • committed by Bjorn Helgaas

parent 7b6e7e9757

commit fcba26efe5

1 changed files with 4 additions and 6 deletions

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drivers/ntb/hw/epf/ntb_hw_epf.c

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