diff mbox series

[net] nfp: fix unaligned io read of capabilities word

Message ID 20221216143101.976739-1-simon.horman@corigine.com (mailing list archive)
State Accepted
Commit 1b0c84a32e37cf85d552261005091eb695313f38
Delegated to: Netdev Maintainers
Headers show
Series [net] nfp: fix unaligned io read of capabilities word | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/subject_prefix success Link
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers fail 3 blamed authors not CCed: louis.peens@corigine.com yinjun.zhang@corigine.com leon@kernel.org; 4 maintainers not CCed: edumazet@google.com louis.peens@corigine.com yinjun.zhang@corigine.com leon@kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Simon Horman Dec. 16, 2022, 2:31 p.m. UTC 
From: Huanhuan Wang <huanhuan.wang@corigine.com>

The address of 32-bit extend capability is not qword aligned,
and may cause exception in some arch.

Fixes: 484963ce9f1e ("nfp: extend capability and control words")
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

patchwork-bot+netdevbpf@kernel.org Dec. 19, 2022, 12:40 p.m. UTC | #1 
Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Fri, 16 Dec 2022 15:31:01 +0100 you wrote:
> From: Huanhuan Wang <huanhuan.wang@corigine.com>
> 
> The address of 32-bit extend capability is not qword aligned,
> and may cause exception in some arch.
> 
> Fixes: 484963ce9f1e ("nfp: extend capability and control words")
> Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
> Signed-off-by: Simon Horman <simon.horman@corigine.com>
> 
> [...]

Here is the summary with links:
  - [net] nfp: fix unaligned io read of capabilities word
    https://git.kernel.org/netdev/net/c/1b0c84a32e37

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 2314cf55e821..09053373288f 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2509,7 +2509,7 @@  static int nfp_net_read_caps(struct nfp_net *nn)
 {
 	/* Get some of the read-only fields from the BAR */
 	nn->cap = nn_readl(nn, NFP_NET_CFG_CAP);
-	nn->cap_w1 = nn_readq(nn, NFP_NET_CFG_CAP_WORD1);
+	nn->cap_w1 = nn_readl(nn, NFP_NET_CFG_CAP_WORD1);
 	nn->max_mtu = nn_readl(nn, NFP_NET_CFG_MAX_MTU);
 
 	/* ABI 4.x and ctrl vNIC always use chained metadata, in other cases