From 4a1d114fa3a5d6bef1f71222787c1f6c3a952284 Mon Sep 17 00:00:00 2001
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From: Nicolas Serafini <nicolas.serafini@sensefly.com>
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Date: Thu, 24 Jan 2019 10:11:42 +0100
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Subject: [PATCH] mbim: add optional copy of TEMP_FAILURE_RETRY macro (fix musl
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compile)
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TEMP_FAILURE_RETRY is not available on musl.
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Signed-off-by: Nicolas Serafini <nicolas.serafini@sensefly.com>
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---
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drivers/mbimmodem/mbim.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/drivers/mbimmodem/mbim.c b/drivers/mbimmodem/mbim.c
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index 54b18acf..4b040528 100644
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--- a/drivers/mbimmodem/mbim.c
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+++ b/drivers/mbimmodem/mbim.c
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@@ -37,6 +37,16 @@
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#include "mbim-message.h"
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#include "mbim-private.h"
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+/* taken from glibc unistd.h for musl support */
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+#ifndef TEMP_FAILURE_RETRY
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+#define TEMP_FAILURE_RETRY(expression) \
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+ (__extension__ \
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+ ({ long int __result; \
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+ do __result = (long int) (expression); \
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+ while (__result == -1L && errno == EINTR); \
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+ __result; }))
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+#endif
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+
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#define MAX_CONTROL_TRANSFER 4096
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#define HEADER_SIZE (sizeof(struct mbim_message_header) + \
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sizeof(struct mbim_fragment_header))
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--
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2.20.1
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