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[net-next] dpaa2-mac: fix the remove path for non-MAC interfaces

Message ID 20210111171802.1826324-1-ciorneiioana@gmail.com (mailing list archive)
State Accepted
Commit 848c1903d35e2eb4fdf8b1a0a6721876e8c88e5d
Delegated to: Netdev Maintainers
Headers show
Series [net-next] dpaa2-mac: fix the remove path for non-MAC interfaces | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 1 maintainers not CCed: ruxandra.radulescu@nxp.com
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Ioana Ciornei Jan. 11, 2021, 5:18 p.m. UTC
From: Ioana Ciornei <ioana.ciornei@nxp.com>

Check if the interface is indeed connected to a MAC before trying to
close the DPMAC object representing it. Without this check we end up
working with a NULL pointer.

Fixes: d87e606373f6 ("dpaa2-mac: export MAC counters even when in TYPE_FIXED")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

patchwork-bot+netdevbpf@kernel.org Jan. 14, 2021, 3:30 a.m. UTC | #1
Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Mon, 11 Jan 2021 19:18:02 +0200 you wrote:
> From: Ioana Ciornei <ioana.ciornei@nxp.com>
> 
> Check if the interface is indeed connected to a MAC before trying to
> close the DPMAC object representing it. Without this check we end up
> working with a NULL pointer.
> 
> Fixes: d87e606373f6 ("dpaa2-mac: export MAC counters even when in TYPE_FIXED")
> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
> 
> [...]

Here is the summary with links:
  - [net-next] dpaa2-mac: fix the remove path for non-MAC interfaces
    https://git.kernel.org/netdev/net-next/c/848c1903d35e

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index dd00c5de2115..7cb286e53369 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -4150,6 +4150,9 @@  static void dpaa2_eth_disconnect_mac(struct dpaa2_eth_priv *priv)
 	if (dpaa2_eth_is_type_phy(priv))
 		dpaa2_mac_disconnect(priv->mac);
 
+	if (!dpaa2_eth_has_mac(priv))
+		return;
+
 	dpaa2_mac_close(priv->mac);
 	kfree(priv->mac);
 	priv->mac = NULL;