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From: Luca Coelho <luca@coelho.fi>
To: backports@vger.kernel.org
Cc: Luca Coelho <luciano.coelho@intel.com>
Subject: [PATCH 3/6] backport: add atomic_fetch_add_unless()
Date: Fri, 15 Mar 2019 16:33:15 +0200	[thread overview]
Message-ID: <20190315143318.4714-4-luca@coelho.fi> (raw)
In-Reply-To: <20190315143318.4714-1-luca@coelho.fi>

From: Luca Coelho <luciano.coelho@intel.com>

The iwlwifi driver now needs this function.  Backport it.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 backport/backport-include/linux/atomic.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/backport/backport-include/linux/atomic.h b/backport/backport-include/linux/atomic.h
index b4dd2e1d34f0..9ceb586e864a 100644
--- a/backport/backport-include/linux/atomic.h
+++ b/backport/backport-include/linux/atomic.h
@@ -51,4 +51,13 @@
 
 #endif /* atomic_try_cmpxchg_acquire */
 
+#if LINUX_VERSION_IS_LESS(4,19,0)
+#ifndef atomic_fetch_add_unless
+static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)
+{
+	return __atomic_add_unless(v, a, u);
+}
+#endif
+#endif
+
 #endif /* __BP_ATOMIC_H */
-- 
2.20.1

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  parent reply	other threads:[~2019-03-15 14:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-15 14:33 [PATCH 0/6] backport: some patches from our internal tree 2019-03-15 Luca Coelho
2019-03-15 14:33 ` [PATCH 1/6] backport: add v5.* to the Makefile Luca Coelho
2019-03-15 14:33 ` [PATCH 2/6] backports: update iwlwifi pci device removal patch for v5.0 Luca Coelho
2019-03-15 14:33 ` Luca Coelho [this message]
2019-03-15 14:33 ` [PATCH 4/6] backport: add include ftrace_event.h back to backport-4.0.c Luca Coelho
2019-03-15 14:33 ` [PATCH 5/6] backport: fix handling of nospec.h for 4.15.0 and 4.15.1 Luca Coelho
2019-03-15 14:33 ` [PATCH 6/6] backports: genetlink: avoid NULL dereference Luca Coelho
2019-03-19 21:55 ` [PATCH 0/6] backport: some patches from our internal tree 2019-03-15 Hauke Mehrtens
2019-03-28 15:03 ` Hauke Mehrtens

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