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posix: add sock to pending_recv list only if not already added

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Currently there is possibility of adding a sock to pending_recv
list again if sock->pending_recv is true. Check if flag is false
before adding to the list.

Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Change-Id: Ie23e1e8dbe1aa5594d9ddea30e7f235e3bf8ddad
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6381
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
Sudheer Mogilappagari 2021-02-10 13:00:13 -08:00 committed by Tomasz Zawadzki
parent 83601f77bc
commit 4ac5ca6558
1 changed files with 4 additions and 2 deletions
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6
module/sock/posix/posix.c
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@ -922,8 +922,10 @@ posix_sock_read(struct spdk_posix_sock *sock)
* for correctness let's handle it. */
if (!sock->pending_recv && sock->base.group_impl) {
group = __posix_group_impl(sock->base.group_impl);
TAILQ_INSERT_TAIL(&group->pending_recv, sock, link);
sock->pending_recv = true;
if (!sock->pending_recv) {
TAILQ_INSERT_TAIL(&group->pending_recv, sock, link);
sock->pending_recv = true;
}
}
}
}