| Message ID | 20210503035136.22063-1-xie.he.0141@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | d362fd0be456dba2d3d58a90b7a193962776562b |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net] Revert "drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit" | expand |
| 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 |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | success | CCed 5 of 5 maintainers |
| 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, 18 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
Hello: This patch was applied to netdev/net.git (refs/heads/master): On Sun, 2 May 2021 20:51:36 -0700 you wrote: > This reverts commit 1b479fb80160 > ("drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit"). > > 1. This commit is incorrect. "__skb_pad" will NOT free the skb on > failure when its "free_on_error" parameter is "false". > > 2. This commit claims to fix my commit. But it didn't CC me?? > > [...] Here is the summary with links: - [net] Revert "drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit" https://git.kernel.org/netdev/net/c/d362fd0be456 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 4d9dc7d15908..0720f5f92caa 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -415,7 +415,7 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) if (pad > 0) { /* Pad the frame with zeros */ if (__skb_pad(skb, pad, false)) - goto out; + goto drop; skb_put(skb, pad); } } @@ -448,9 +448,8 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; drop: - kfree_skb(skb); -out: dev->stats.tx_dropped++; + kfree_skb(skb); return NETDEV_TX_OK; }
This reverts commit 1b479fb80160 ("drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit"). 1. This commit is incorrect. "__skb_pad" will NOT free the skb on failure when its "free_on_error" parameter is "false". 2. This commit claims to fix my commit. But it didn't CC me?? Fixes: 1b479fb80160 ("drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit") Cc: Lv Yunlong <lyl2019@mail.ustc.edu.cn> Signed-off-by: Xie He <xie.he.0141@gmail.com> --- drivers/net/wan/hdlc_fr.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)