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Commit 717e6f28 authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
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ceph: avoid panic in create_session_open_msg() if utsname() returns NULL

utsname() can return NULL while process is exiting. Kernel releases
file locks during process exits. We send request to mds when releasing
file lock. So it's possible that we open mds session while process is
exiting. utsname() is called in create_session_open_msg().

Link: http://tracker.ceph.com/issues/21275


Signed-off-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Reviewed-by: default avatarJeff Layton <jlayton@redhat.com>
[idryomov@gmail.com: drop utsname.h include from mds_client.c]
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 29a0cfbf
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