This is a note to let you know that I've just added the patch titled
RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: rdma-ocrdma-fix-permissions-for-ocrdma_reset_stats.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Thu Mar 22 14:57:33 CET 2018
From: Anton Vasilyev vasilyev@ispras.ru Date: Tue, 8 Aug 2017 18:56:37 +0300 Subject: RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS
From: Anton Vasilyev vasilyev@ispras.ru
[ Upstream commit 744820869166c8c78be891240cf5f66e8a333694 ]
Debugfs file reset_stats is created with S_IRUSR permissions, but ocrdma_dbgfs_ops_read() doesn't support OCRDMA_RESET_STATS, whereas ocrdma_dbgfs_ops_write() supports only OCRDMA_RESET_STATS.
The patch fixes misstype with permissions.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev vasilyev@ispras.ru Acked-by: Selvin Xavier selvin.xavier@broadcom.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -834,7 +834,7 @@ void ocrdma_add_port_stats(struct ocrdma
dev->reset_stats.type = OCRDMA_RESET_STATS; dev->reset_stats.dev = dev; - if (!debugfs_create_file("reset_stats", S_IRUSR, dev->dir, + if (!debugfs_create_file("reset_stats", 0200, dev->dir, &dev->reset_stats, &ocrdma_dbg_ops)) goto err;
Patches currently in stable-queue which might be from vasilyev@ispras.ru are
queue-4.4/rdma-ocrdma-fix-permissions-for-ocrdma_reset_stats.patch