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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Nathan Huckleberry <nhuck@google.com>,
	llvm@lists.linux.dev, Dan Carpenter <error27@gmail.com>,
	Nathan Chancellor <nathan@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sasha Levin <sashal@kernel.org>,
	ndesaulniers@google.com, ztong0001@gmail.com, dave@stgolabs.net,
	linux-staging@lists.linux.dev
Subject: [PATCH AUTOSEL 5.15 37/47] staging: rtl8192u: Fix return type of ieee80211_xmit
Date: Wed, 12 Oct 2022 20:21:12 -0400	[thread overview]
Message-ID: <20221013002124.1894077-37-sashal@kernel.org> (raw)
In-Reply-To: <20221013002124.1894077-1-sashal@kernel.org>

From: Nathan Huckleberry <nhuck@google.com>

[ Upstream commit 2851349ac351010a2649e0ff86a1e3d68fe5d683 ]

The ndo_start_xmit field in net_device_ops is expected to be of type
netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev).

The mismatched return type breaks forward edge kCFI since the underlying
function definition does not match the function hook definition.

The return type of ieee80211_xmit should be changed from int to
netdev_tx_t.

Link: https://github.com/ClangBuiltLinux/linux/issues/1703
Cc: llvm@lists.linux.dev
Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Link: https://lore.kernel.org/r/20220914210750.423048-1-nhuck@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211.h    | 2 +-
 drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 15207dc1f5c5..916ce1f8d318 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -2178,7 +2178,7 @@ int ieee80211_set_encryption(struct ieee80211_device *ieee);
 int ieee80211_encrypt_fragment(struct ieee80211_device *ieee,
 			       struct sk_buff *frag, int hdr_len);
 
-int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
 void ieee80211_txb_free(struct ieee80211_txb *txb);
 
 
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
index 8602e3a6c837..e4b6454809a0 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
@@ -526,7 +526,7 @@ static void ieee80211_query_seqnum(struct ieee80211_device *ieee,
 	}
 }
 
-int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
+netdev_tx_t ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ieee80211_device *ieee = netdev_priv(dev);
 	struct ieee80211_txb *txb = NULL;
@@ -822,13 +822,13 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 			if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
 				stats->tx_packets++;
 				stats->tx_bytes += __le16_to_cpu(txb->payload_size);
-				return 0;
+				return NETDEV_TX_OK;
 			}
 			ieee80211_txb_free(txb);
 		}
 	}
 
-	return 0;
+	return NETDEV_TX_OK;
 
  failed:
 	spin_unlock_irqrestore(&ieee->lock, flags);
-- 
2.35.1


  parent reply	other threads:[~2022-10-13  0:29 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-13  0:20 [PATCH AUTOSEL 5.15 01/47] clk: zynqmp: Fix stack-out-of-bounds in strncpy` Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 02/47] media: cx88: Fix a null-ptr-deref bug in buffer_prepare() Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 03/47] media: platform: fix some double free in meson-ge2d and mtk-jpeg and s5p-mfc Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 04/47] clk: zynqmp: pll: rectify rate rounding in zynqmp_pll_round_rate Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 05/47] usb: host: xhci-plat: suspend and resume clocks Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 06/47] usb: host: xhci-plat: suspend/resume clks for brcm Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 07/47] dmaengine: ti: k3-udma: Reset UDMA_CHAN_RT byte counters to prevent overflow Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 08/47] scsi: 3w-9xxx: Avoid disabling device if failing to enable it Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 09/47] nbd: Fix hung when signal interrupts nbd_start_device_ioctl() Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 10/47] iommu/arm-smmu-v3: Make default domain type of HiSilicon PTT device to identity Sasha Levin
2022-10-13  7:07   ` John Garry
2022-10-16 13:30     ` Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 11/47] staging: rtl8712: Fix return type for implementation of ndo_start_xmit Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 12/47] staging: rtl8192e: " Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 13/47] power: supply: adp5061: fix out-of-bounds read in adp5061_get_chg_type() Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 14/47] staging: vt6655: fix potential memory leak Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 15/47] blk-throttle: prevent overflow while calculating wait time Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 16/47] gpiolib: of: do not ignore requested index when applying quirks Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 17/47] gpiolib: of: make Freescale SPI quirk similar to all others Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 18/47] gpiolib: rework quirk handling in of_find_gpio() Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 19/47] ata: libahci_platform: Sanity check the DT child nodes number Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 20/47] bcache: fix set_at_max_writeback_rate() for multiple attached devices Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 21/47] soundwire: cadence: Don't overwrite msg->buf during write commands Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 22/47] soundwire: intel: fix error handling on dai registration issues Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 23/47] hid: topre: Add driver fixing report descriptor Sasha Levin
2022-10-13  0:20 ` [PATCH AUTOSEL 5.15 24/47] habanalabs: remove some f/w descriptor validations Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 25/47] HID: roccat: Fix use-after-free in roccat_read() Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 26/47] HSI: ssi_protocol: fix potential resource leak in ssip_pn_open() Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 27/47] eventfd: guard wake_up in eventfd fs calls as well Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 28/47] md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 29/47] usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info() Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 30/47] usb: musb: Fix musb_gadget.c rxstate overflow bug Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 31/47] arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel quirk to USB nodes Sasha Levin
2022-10-13  5:57   ` [PATCH AUTOSEL 5.15 31/47] arm64: dts: imx8mp: Add snps, gfladj-refclk-lpm-sel " Alexander Stein
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 32/47] usb: dwc3: core: Enable GUCTL1 bit 10 for fixing termination error after resume bug Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 33/47] Revert "usb: storage: Add quirk for Samsung Fit flash" Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 34/47] tty: n_gsm: replace use of gsm_read_ea() with gsm_read_ea_val() Sasha Levin
2022-10-13  6:21   ` Jiri Slaby
2022-10-16 13:27     ` Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 35/47] staging: rtl8723bs: fix potential memory leak in rtw_init_drv_sw() Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 36/47] staging: rtl8723bs: fix a potential memory leak in rtw_init_cmd_priv() Sasha Levin
2022-10-13  0:21 ` Sasha Levin [this message]
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 38/47] staging: octeon: Fix return type of cvm_oct_xmit and cvm_oct_xmit_pow Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 39/47] scsi: tracing: Fix compile error in trace_array calls when TRACING is disabled Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 40/47] ext2: Use kvmalloc() for group descriptor array Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 41/47] nvme: copy firmware_rev on each init Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 42/47] nvmet-tcp: add bounds check on Transfer Tag Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 43/47] usb: idmouse: fix an uninit-value in idmouse_open Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 44/47] fsi: master-ast-cf: Fix missing of_node_put in fsi_master_acf_probe Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 45/47] sbitmap: fix lockup while swapping Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 46/47] clk: bcm2835: Make peripheral PLLC critical Sasha Levin
2022-10-13  0:21 ` [PATCH AUTOSEL 5.15 47/47] clk: bcm2835: Round UART input clock up Sasha Levin

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