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ixgbe: fix memory leaks

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In ixgbe_configure_clsu32(), 'jump', 'input', and 'mask' are allocated
through kzalloc() respectively in a for loop body. Then,
ixgbe_clsu32_build_input() is invoked to build the input. If this process
fails, next iteration of the for loop will be executed. However, the
allocated 'jump', 'input', and 'mask' are not deallocated on this execution
path, leading to memory leaks.

Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Wenwen Wang 2019-08-11 15:07:47 -05:00 • committed by Jeff Kirsher
parent c1609946b8
commit 22d11eacc3
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -9490,6 +9490,10 @@ static int ixgbe_configure_clsu32(struct ixgbe_adapter *adapter,
jump->mat = nexthdr[i].jump;
adapter->jump_tables[link_uhtid] = jump;
break;
} else {
kfree(mask);
kfree(input);
kfree(jump);
}
}
return 0;