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From: Robert Karszniewicz <r.karszniewicz@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH] sandbox: add_image: output errno string on mmap failure
Date: Mon, 21 Oct 2019 14:59:08 +0200	[thread overview]
Message-ID: <1571662748-328848-1-git-send-email-r.karszniewicz@phytec.de> (raw)

Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de>
---
 arch/sandbox/os/common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c
index 86118822a..1b2daa396 100644
--- a/arch/sandbox/os/common.c
+++ b/arch/sandbox/os/common.c
@@ -264,7 +264,7 @@ static int add_image(char *str, char *devname_template, int *devname_number)
 			PROT_READ | (readonly ? 0 : PROT_WRITE),
 			MAP_SHARED, fd, 0);
 	if ((void *)hf->base == MAP_FAILED)
-		printf("warning: mmapping %s failed\n", filename);
+		printf("warning: mmapping %s failed: %s\n", filename, strerror(errno));
 
 	ret = barebox_register_filedev(hf);
 	if (ret)
-- 
2.11.0


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             reply	other threads:[~2019-10-21 12:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-21 12:59 Robert Karszniewicz [this message]
2019-10-23  7:08 ` Sascha Hauer

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