[kernel] Fix memory leak in kernel tegra serial driver #183
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jonringer
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Jan 24, 2024
danielfullmer
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danielfullmer
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Jan 25, 2024
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Description of changes
Fixes a memory leak in kernel tegra serial driver.
This ensures the memory allocated in function
tegra_dma_prep_slave_sgis cleaned up properly. Manifested as slab unreclaimable growing unbounded
via calls to kmalloc-256
Tested on Xavier AGX custom carrier board
Ref: https://forums.developer.nvidia.com/t/serial-tegra-dma-driver-bug/258168/5