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From 22b52db4842611ac31a356f023fc09595384e2ad Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Thu, 23 May 2019 18:11:22 -0700
Subject: [PATCH] mbim: add an optional TEMP_FAILURE_RETRY macro copy
Fixes build on musl which does not provide this macro
Upstream-Status: Submitted [https://lists.ofono.org/pipermail/ofono/2019-May/019370.html]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
drivers/mbimmodem/mbim-private.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mbimmodem/mbim-private.h b/drivers/mbimmodem/mbim-private.h
index e159235..51693ea 100644
--- a/drivers/mbimmodem/mbim-private.h
+++ b/drivers/mbimmodem/mbim-private.h
@@ -21,6 +21,15 @@
#define align_len(len, boundary) (((len)+(boundary)-1) & ~((boundary)-1))
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) ({ \
+ __typeof(expression) __result; \
+ do { \
+ __result = (expression); \
+ } while (__result == -1 && errno == EINTR); \
+ __result; })
+#endif
+
enum mbim_control_message {
MBIM_OPEN_MSG = 0x1,
MBIM_CLOSE_MSG = 0x2,
--
2.21.0
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