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| author | Ilya Dryomov <ilya.dryomov@inktank.com> | 2014-09-11 18:49:18 +0400 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@redhat.com> | 2014-10-14 21:03:26 +0400 |
| commit | 7dd440c9e0711d828442c3e129ab8bcb9aeeac23 (patch) | |
| tree | 20185208bba6b36327a9bb58b1e9e4cc5cffc5b1 /drivers/block/rbd.c | |
| parent | 91883cd27c4e2523dd53e2bd6f71a1c5e0be5a38 (diff) | |
| download | op-kernel-dev-7dd440c9e0711d828442c3e129ab8bcb9aeeac23.zip op-kernel-dev-7dd440c9e0711d828442c3e129ab8bcb9aeeac23.tar.gz | |
rbd: do not return -ERANGE on auth failures
Trying to map an image out of a pool for which we don't have an 'x'
permission bit fails with -ERANGE from ceph_extract_encoded_string()
due to an unsigned vs signed bug. Fix it and get rid of the -EINVAL
sink, thus propagating rbd::get_id cls method errors. (I've seen
a bunch of unexplained -ERANGE reports, I bet this is it).
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 4b97baf..ce457db 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4924,7 +4924,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev) ret = image_id ? 0 : -ENOMEM; if (!ret) rbd_dev->image_format = 1; - } else if (ret > sizeof (__le32)) { + } else if (ret >= 0) { void *p = response; image_id = ceph_extract_encoded_string(&p, p + ret, @@ -4932,8 +4932,6 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev) ret = PTR_ERR_OR_ZERO(image_id); if (!ret) rbd_dev->image_format = 2; - } else { - ret = -EINVAL; } if (!ret) { |
