From: Stefan Hajnoczi <stefanha@gmail.com>
To: Mahmoud Mandour <ma.mandourr@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH 4/8] virtiofsd: Changed allocations of fuse_session to GLib's functions
Date: Tue, 23 Mar 2021 14:08:31 +0000 [thread overview]
Message-ID: <YFn2XzInzDn4uBOe@stefanha-x1.localdomain> (raw)
In-Reply-To: <20210319132527.3118-5-ma.mandourr@gmail.com>
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On Fri, Mar 19, 2021 at 03:25:23PM +0200, Mahmoud Mandour wrote:
> Replaced the allocation and deallocation of fuse_session structs
> from calloc() and free() calls to g_new0() and g_free().
>
> Removed the NULL-check and used g_new0() mainly because fuse_session
> creation is critical and an exit will occur anyway if fuse_session
> allocation failed.
>
> Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
> ---
> tools/virtiofsd/fuse_lowlevel.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
> index 45527ff703..b0e9ef29a7 100644
> --- a/tools/virtiofsd/fuse_lowlevel.c
> +++ b/tools/virtiofsd/fuse_lowlevel.c
> @@ -2467,7 +2467,7 @@ void fuse_session_destroy(struct fuse_session *se)
> free(se->vu_socket_path);
> se->vu_socket_path = NULL;
>
> - free(se);
> + g_free(se);
> }
>
>
> @@ -2490,11 +2490,7 @@ struct fuse_session *fuse_session_new(struct fuse_args *args,
> return NULL;
> }
>
> - se = (struct fuse_session *)calloc(1, sizeof(struct fuse_session));
> - if (se == NULL) {
> - fuse_log(FUSE_LOG_ERR, "fuse: failed to allocate fuse object\n");
> - goto out1;
> - }
> + se = g_new0(struct fuse_session, 1);
Exiting with a virtiofsd log message is preferrable to aborting inside
g_new0(). abort(3) is good when you need a coredump to investigate the
problem. Here that doesn't seem appropriate. Please don't remove this
error handling code.
Stefan
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next prev parent reply other threads:[~2021-03-23 14:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 13:25 [PATCH 0/8] virtiofsd: Changed various allocations to GLib functions Mahmoud Mandour
2021-03-19 13:25 ` [PATCH 1/8] virtiofsd: Changed allocations of fuse_req " Mahmoud Mandour
2021-03-23 13:48 ` Stefan Hajnoczi
2021-03-19 13:25 ` [PATCH 2/8] virtiofds: Changed allocations of iovec to GLib's functions Mahmoud Mandour
2021-03-23 13:57 ` Stefan Hajnoczi
2021-03-24 12:57 ` Stefan Hajnoczi
2021-03-24 13:32 ` Mahmoud Mandour
2021-03-19 13:25 ` [PATCH 3/8] virtiofsd: Changed fuse_pollhandle allocation " Mahmoud Mandour
2021-03-23 14:03 ` Stefan Hajnoczi
2021-03-19 13:25 ` [PATCH 4/8] virtiofsd: Changed allocations of fuse_session " Mahmoud Mandour
2021-03-23 14:08 ` Stefan Hajnoczi [this message]
2021-03-19 13:25 ` [PATCH 5/8] virtiofsd: Changed allocation of lo_map_elems " Mahmoud Mandour
2021-03-23 14:09 ` Stefan Hajnoczi
2021-03-19 13:25 ` [PATCH 6/8] virtiofsd: Changed allocations of fv_VuDev & its internals to GLib functions Mahmoud Mandour
2021-03-23 14:10 ` Stefan Hajnoczi
2021-03-19 13:25 ` [PATCH 7/8] virtiofsd/passthrough_ll.c: Changed local allocations " Mahmoud Mandour
2021-03-23 14:13 ` Stefan Hajnoczi
2021-03-19 13:25 ` [PATCH 8/8] virtiofsd/fuse_virtio.c: Changed allocations of locals to GLib Mahmoud Mandour
2021-03-23 14:15 ` Stefan Hajnoczi
[not found] ` <CAD-LL6iYvHZt8mJZdiHLyUYsDq3kBy0HrTR6_K0x6iCLE1POoA@mail.gmail.com>
2021-03-24 13:00 ` Stefan Hajnoczi
2021-03-19 13:47 ` [PATCH 0/8] virtiofsd: Changed various allocations to GLib functions Mahmoud Mandour
2021-03-22 15:52 ` Stefan Hajnoczi
2021-04-16 8:43 ` Mahmoud Mandour
2021-04-19 14:19 ` Stefan Hajnoczi
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