Jakub Kicinski a2b992c828
debugfs: make sure we can remove u32_array files cleanly ...
debugfs_create_u32_array() allocates a small structure to wrap
the data and size information about the array. If users ever
try to remove the file this leads to a leak since nothing ever
frees this wrapper.
That said there are no upstream users of debugfs_create_u32_array()
that'd remove a u32 array file (we only have one u32 array user in
CMA), so there is no real bug here.
Make callers pass a wrapper they allocated. This way the lifetime
management of the wrapper is on the caller, and we can avoid the
potential leak in debugfs.
CC: Chucheng Luo <luochucheng@vivo.com >
Signed-off-by: Jakub Kicinski <kuba@kernel.org >
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
Signed-off-by: David S. Miller <davem@davemloft.net >
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