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author | David S. Miller <davem@davemloft.net> | 2014-12-10 15:48:20 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2014-12-10 15:48:20 -0500 |
commit | 22f10923dd39141785273e423b9acf347297e15f (patch) | |
tree | cc1f19103817433a426b3e329d6326f5e9d8e8f7 /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
parent | irda: Convert function pointer arrays and uses to const (diff) | |
parent | net: fix suspicious rcu_dereference_check in net/sched/sch_fq_codel.c (diff) | |
download | linux-dev-22f10923dd39141785273e423b9acf347297e15f.tar.xz linux-dev-22f10923dd39141785273e423b9acf347297e15f.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/amd/xgbe/xgbe-desc.c
drivers/net/ethernet/renesas/sh_eth.c
Overlapping changes in both conflict cases.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index a9323bdb3585..67345c73e570 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -1132,6 +1132,27 @@ unsigned int t4_flash_cfg_addr(struct adapter *adapter) return FLASH_CFG_START; } +/* Return TRUE if the specified firmware matches the adapter. I.e. T4 + * firmware for T4 adapters, T5 firmware for T5 adapters, etc. We go ahead + * and emit an error message for mismatched firmware to save our caller the + * effort ... + */ +static bool t4_fw_matches_chip(const struct adapter *adap, + const struct fw_hdr *hdr) +{ + /* The expression below will return FALSE for any unsupported adapter + * which will keep us "honest" in the future ... + */ + if ((is_t4(adap->params.chip) && hdr->chip == FW_HDR_CHIP_T4) || + (is_t5(adap->params.chip) && hdr->chip == FW_HDR_CHIP_T5)) + return true; + + dev_err(adap->pdev_dev, + "FW image (%d) is not suitable for this adapter (%d)\n", + hdr->chip, CHELSIO_CHIP_VERSION(adap->params.chip)); + return false; +} + /** * t4_load_fw - download firmware * @adap: the adapter @@ -1171,6 +1192,8 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size) FW_MAX_SIZE); return -EFBIG; } + if (!t4_fw_matches_chip(adap, hdr)) + return -EINVAL; for (csum = 0, i = 0; i < size / sizeof(csum); i++) csum += ntohl(p[i]); @@ -3083,6 +3106,9 @@ int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data; int reset, ret; + if (!t4_fw_matches_chip(adap, fw_hdr)) + return -EINVAL; + ret = t4_fw_halt(adap, mbox, force); if (ret < 0 && !force) return ret; |