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The refcount of fw_np has already been decreased by of_find_matching_node()
so it shouldn't be used anymore.
This patch adds an of_node_get() before of_find_matching_node() to avoid
the use-after-free problem.
Fixes: e7eef1d7633a ("fpga: add intel stratix10 soc fpga manager driver")
Signed-off-by: Wen Yang <[email protected]>
Cc: Alan Tull <[email protected]>
Cc: Moritz Fischer <[email protected]>
Cc: Nicolas Saenz Julienne <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reviewed-by: Moritz Fischer <[email protected]>
Reviewed-by: Nicolas Saenz Julienne <[email protected]>
Acked-by: Alan Tull <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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After finding a "firmware" dt node stratix10 tries to match it's
compatible string with it. To do so it's calling of_find_matching_node()
which already takes care of decreasing the refcount on the "firmware"
node. We are then incorrectly decreasing the refcount on that node
again.
This patch removes the unwarranted call to of_node_put().
Fixes: e7eef1d7633a ("fpga: add intel stratix10 soc fpga manager driver")
Signed-off-by: Nicolas Saenz Julienne <[email protected]>
Acked-by: Alan Tull <[email protected]>
Acked-by: Moritz Fischer <[email protected]>
[atull: remove unnecessary braces]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add driver for reconfiguring Intel Stratix10 SoC FPGA devices.
This driver communicates through the Intel service layer driver
which does communication with privileged hardware (that does the
FPGA programming) through a secure mailbox.
Signed-off-by: Alan Tull <[email protected]>
Signed-off-by: Richard Gong <[email protected]>
Acked-by: Moritz Fischer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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