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| author | Michael Bestas <mkbestas@lineageos.org> | 2021-04-19 18:56:01 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2021-04-19 18:56:01 +0300 |
| commit | f3d4e7ef44f14e433312bc0646ea996d8c8756bf (patch) | |
| tree | 78f6dc67808364d9ad3eae5e4c323a668bb6fadc /include/linux/can/skb.h | |
| parent | db1bf2b55b337174e62637e6c23b45f166bdc14e (diff) | |
| parent | f5978a07daf67b25d101caa42ab3b18f0edf3dde (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02700-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
f5978a07daf67 Merge 4.4.267 into android-4.4-p
Conflicts:
arch/alpha/include/asm/Kbuild
drivers/mmc/core/mmc.c
drivers/usb/gadget/configfs.c
Change-Id: I978d923e97c18f284edbd32c0c19ac70002f7d83
Diffstat (limited to 'include/linux/can/skb.h')
| -rw-r--r-- | include/linux/can/skb.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index 1a2111c775ae..0e7350973e0e 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -48,8 +48,12 @@ static inline void can_skb_reserve(struct sk_buff *skb) static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk) { - if (sk) { - sock_hold(sk); + /* If the socket has already been closed by user space, the + * refcount may already be 0 (and the socket will be freed + * after the last TX skb has been freed). So only increase + * socket refcount if the refcount is > 0. + */ + if (sk && atomic_inc_not_zero(&sk->sk_refcnt)) { skb->destructor = sock_efree; skb->sk = sk; } |