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From: Stefan Hajnoczi <stefanha@redhat.com>
To: Sam Li <faithilikerun@gmail.com>
Cc: qemu-devel@nongnu.org, dlemoal@kernel.org,
	dmitry.fomichev@wdc.com, hare@suse.de, qemu-block@nongnu.org,
	Hanna Reitz <hreitz@redhat.com>, Kevin Wolf <kwolf@redhat.com>
Subject: Re: [PATCH 1/2] block/file-posix: fix g_file_get_contents return path
Date: Wed, 7 Jun 2023 12:04:12 -0400	[thread overview]
Message-ID: <20230607160412.GD2138915@fedora> (raw)
In-Reply-To: <20230604061658.49004-1-faithilikerun@gmail.com>

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On Sun, Jun 04, 2023 at 02:16:57PM +0800, Sam Li wrote:
> The g_file_get_contents() function returns a g_boolean. If it fails, the
> returned value will be 0 instead of -1. Solve the issue by skipping
> assigning ret value.
> 
> This issue was found by Matthew Rosato using virtio-blk-{pci,ccw} backed
> by an NVMe partition e.g. /dev/nvme0n1p1 on s390x.
> 
> Signed-off-by: Sam Li <faithilikerun@gmail.com>
> ---
>  block/file-posix.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

The number of bytes returned was never used, so changing the return
value to 0 or -errno is fine:

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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  parent reply	other threads:[~2023-06-07 18:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-04  6:16 [PATCH 1/2] block/file-posix: fix g_file_get_contents return path Sam Li
2023-06-04  6:16 ` [PATCH 2/2] block/file-posix: fix wps checking in raw_co_prw Sam Li
2023-06-07 16:08   ` Stefan Hajnoczi
2023-06-07 13:51 ` [PATCH 1/2] block/file-posix: fix g_file_get_contents return path Matthew Rosato
2023-06-07 16:04 ` Stefan Hajnoczi [this message]
2023-07-05 14:54 ` Matthew Rosato
2023-07-27 11:46   ` Matthew Rosato
2023-07-27 11:51     ` Sam Li

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