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rbd: plug rbd_dev->header.object_prefix memory leak

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Need to free object_prefix when rbd_dev_v2_snap_context() fails, but
only if this is the first time we are reading in the header.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Ilya Dryomov 2015-08-31 18:22:10 +03:00
commit d194cd1dd1
1 changed files with 4 additions and 1 deletions
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5
drivers/block/rbd.c
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@ -4720,7 +4720,10 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev)
}
ret = rbd_dev_v2_snap_context(rbd_dev);
dout("rbd_dev_v2_snap_context returned %d\n", ret);
if (ret && first_time) {
kfree(rbd_dev->header.object_prefix);
rbd_dev->header.object_prefix = NULL;
}
return ret;
}