Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0264d8853137a9a328d9f0ed29e083dd505512cb
Commit: 0264d8853137a9a328d9f0ed29e083dd505512cb
Parent: ed6ee5178e6d78ba7f79a5ece3f0b70ece531a6a
Author: Michael S. Tsirkin <[EMAIL PROTECTED]>
AuthorDate: Sun Mar 25 11:17:43 2007 +0200
Committer: Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Mon Mar 26 15:59:32 2007 -0700
IB/mthca: Fix thinko in init_mr_table()
Commit c20e20ab ("IB/mthca: Merge MR and FMR space on 64-bit systems")
swapped the number of MTTs and MPTs when initializing the MR table. As
a result, we get a kernel oops when the number of MTT segments
allocated exceeds 0x20000.
Noted by Troy Benjegerdes <[EMAIL PROTECTED]>, and reproduced by
Dotan Barak <[EMAIL PROTECTED]>. This fixes
https://bugs.openfabrics.org/show_bug.cgi?id=490
Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/mthca/mthca_mr.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c
b/drivers/infiniband/hw/mthca/mthca_mr.c
index 8e4846b..fdb576d 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -881,8 +881,8 @@ int mthca_init_mr_table(struct mthca_dev *dev)
}
mpts = mtts = 1 << i;
} else {
- mpts = dev->limits.num_mtt_segs;
- mtts = dev->limits.num_mpts;
+ mtts = dev->limits.num_mtt_segs;
+ mpts = dev->limits.num_mpts;
}
if (!mthca_is_memfree(dev) &&
-
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