mdio: fix segmentation fault in dump operation#46
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wkz merged 1 commit intowkz:masterfrom Oct 10, 2025
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Return an ENOMEM error when the buffer is too small to perform the operation. Before: $ mdio mt7530-0 0x05:31 dump 0x0+512 Segmentation fault After: $ mdio mt7530-0 0x05:31 dump 0x0+512 ERROR: Dump operation failed (-12) Fixes: 8824887 ("mdio: Add common dump operation to read ranges of registers") Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
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Return an ENOMEM error when the buffer is too small to perform the operation.
Before:
$ mdio mt7530-0 0x05:31 dump 0x0+512
Segmentation fault
After:
$ mdio mt7530-0 0x05:31 dump 0x0+512
ERROR: Dump operation failed (-12)
Fixes: 8824887 ("mdio: Add common dump operation to read ranges of registers")
Signed-off-by: Aleksander Jan Bajkowski olek2@wp.pl