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Re: [Qemu-devel] [PATCH] qemu-char: Print strerror message on failure
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH] qemu-char: Print strerror message on failure |
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Date: |
Tue, 21 Jun 2011 17:33:45 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 |
Am 01.06.2011 13:29, schrieb Kevin Wolf:
> The only way for chardev drivers to communicate an error was to return a NULL
> pointer, which resulted in an error message that said _that_ something went
> wrong, but not _why_.
>
> This patch changes the interface to return 0/-errno and updates
> qemu_chr_open_opts to use strerror to display a more helpful error message.
>
> Signed-off-by: Kevin Wolf <address@hidden>
Ping?