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[3.16-stable,58/87] brcmfmac: avoid gcc-5.1 warning

Message ID 20170505194745.3627137-59-arnd@arndb.de
State New
Headers show
Series build warnings and errors | expand

Commit Message

Arnd Bergmann May 5, 2017, 7:47 p.m. UTC 
Commit 85773e14ccccddaa9ee4b5bc08b3cf9d62d2c1a8 upstream.

gcc-5.0 gained a new warning in the fwsignal portion of the brcmfmac
driver:

drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c: In function 'brcmf_fws_txs_process':
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c:1478:8: warning: 'skb' may be used uninitialized in this function [-Wmaybe-uninitialized]

This is a false positive, and marking the brcmf_fws_hanger_poppkt function
as 'static inline' makes the warning go away. I have checked the object
file output and while a little code gets moved around, the size of
the binary remains identical.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.9.0
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Patch

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
index 699908de314a..c9b0586d7b58 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
@@ -607,7 +607,7 @@  static int brcmf_fws_hanger_pushpkt(struct brcmf_fws_hanger *h,
 	return 0;
 }
 
-static int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h,
+static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h,
 					  u32 slot_id, struct sk_buff **pktout,
 					  bool remove_item)
 {