diff options
| author | Sujith Manoharan <c_manoha@qualcomm.com> | 2012-09-26 07:54:43 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-28 13:54:02 -0400 |
| commit | 69c6ac60f559f85ed47fbfc2bcaa43a7bc1583ff (patch) | |
| tree | 0e79bbd4216083c04373409c9ff25c4864556dca /drivers/net/wireless/ath/ath9k/mci.c | |
| parent | a549459c96ba99a691aa1cafeabdd327a7a2bfcf (diff) | |
ath9k: Handle errors properly in MCI initialization
The MCI initialization path has various points of failures,
handle these to ensure that we bail out correctly in such
cases.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/mci.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 8f51e9e358f..ec2d7c80756 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -392,6 +392,7 @@ int ath_mci_setup(struct ath_softc *sc) struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_mci_coex *mci = &sc->mci_coex; struct ath_mci_buf *buf = &mci->sched_buf; + int ret; buf->bf_addr = dma_alloc_coherent(sc->dev, ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE, @@ -411,9 +412,13 @@ int ath_mci_setup(struct ath_softc *sc) mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr + mci->sched_buf.bf_len; mci->gpm_buf.bf_paddr = mci->sched_buf.bf_paddr + mci->sched_buf.bf_len; - ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr, - mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4), - mci->sched_buf.bf_paddr); + ret = ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr, + mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4), + mci->sched_buf.bf_paddr); + if (ret) { + ath_err(common, "Failed to initialize MCI\n"); + return ret; + } INIT_WORK(&sc->mci_work, ath9k_mci_work); ath_dbg(common, MCI, "MCI Initialized\n"); |