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