diff options
| author | Sam Leffler <sam@FreeBSD.org> | 2003-08-13 21:29:35 +0000 |
|---|---|---|
| committer | Sam Leffler <sam@FreeBSD.org> | 2003-08-13 21:29:35 +0000 |
| commit | b58b38031df4fb00c9df6d3521af8b596589691d (patch) | |
| tree | ed26ae54275bdb5b2e09d4a732cee00c573e7cab /sys/dev/ath/if_ath_pci.c | |
| parent | 900017e84b52e01027f9b5eb445d0997a88387a0 (diff) | |
| download | src-b58b38031df4fb00c9df6d3521af8b596589691d.tar.gz src-b58b38031df4fb00c9df6d3521af8b596589691d.zip | |
Close a race where ath_intr is installed and may be called before
the HAL is setup: use sc_invalid to discard such entries into
ath_intr. This can easily happen if the device is assigned a shared IRQ.
Notes
Notes:
svn path=/head/; revision=118884
Diffstat (limited to 'sys/dev/ath/if_ath_pci.c')
| -rw-r--r-- | sys/dev/ath/if_ath_pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/dev/ath/if_ath_pci.c b/sys/dev/ath/if_ath_pci.c index 34459de0e56b..ddf602d633f5 100644 --- a/sys/dev/ath/if_ath_pci.c +++ b/sys/dev/ath/if_ath_pci.c @@ -152,6 +152,11 @@ ath_pci_attach(device_t dev) } sc->sc_st = rman_get_bustag(psc->sc_sr); sc->sc_sh = rman_get_bushandle(psc->sc_sr); + /* + * Mark device invalid so any interrupts (shared or otherwise) + * that arrive before the HAL is setup are discarded. + */ + sc->sc_invalid = 1; /* * Arrange interrupt line. |