diff options
| author | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:09:34 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:09:34 -0700 |
| commit | 4cd1e5eb3cbe6e0cc934959770b4c60eac6ecf66 (patch) | |
| tree | cf0a0219790a7fac9acf08727ad63de14c6c6bb4 /drivers/infiniband/hw/nes/nes.c | |
| parent | 940801b27e021b3494a44bc93be3c73fadbe4c2f (diff) | |
RDMA/nes: Free IRQ before killing tasklet
Move the free_irq() call in nes_remove() to before the tasklet_kill();
otherwise there is a window after tasklet_kill() where a new interrupt
can be handled and reschedule the tasklet, leading to a use-after-free
crash.
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 7a89cd7327e..b00b0e3a91d 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -744,13 +744,13 @@ static void __devexit nes_remove(struct pci_dev *pcidev) list_del(&nesdev->list); nes_destroy_cqp(nesdev); + + free_irq(pcidev->irq, nesdev); tasklet_kill(&nesdev->dpc_tasklet); /* Deallocate the Adapter Structure */ nes_destroy_adapter(nesdev->nesadapter); - free_irq(pcidev->irq, nesdev); - if (nesdev->msi_enabled) { pci_disable_msi(pcidev); } |