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| author |   Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2008-08-21 19:46:40 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-21 19:46:42 +0200 |
| commit | 04f64b5756872b474d9429e3b6987ada10bb8012 (patch) | |
| tree | 3a772f76a2fdbd6e570611202736b1f53b2e4c2d /arch/s390/defconfig | |
| parent | [S390] cio: call ccw driver notify function with lock held (diff) | |
| download | linux-dev-04f64b5756872b474d9429e3b6987ada10bb8012.tar.xz linux-dev-04f64b5756872b474d9429e3b6987ada10bb8012.zip | |
[S390] dcssblk: fix race in dcssblk_add_store()
Concurrently adding the same segment may lead to duplicate device_register()
calls, which will trigger an error in kobject code:
"... don't try to register things with the same name in the same directory".
This patch adds a check to avoid this.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions