accel/amdxdna: Adjust size for copy_to_user()

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The amount of data returned to user space should be limited by the buffer
size provided by the application. If the buffer is smaller than the data
size, return only the portion that fits instead of failing.

Fixes: 850d71f6bf ("accel/amdxdna: Add query functions")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260402174148.3527757-1-lizhi.hou@amd.com

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This commit is contained in:

Lizhi Hou 2026-04-02 10:41:48 -07:00

parent fb42964e2a

commit 6e87001fe1

3 changed files with 50 additions and 34 deletions

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5

drivers/accel/amdxdna/aie2_error.c

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20

drivers/accel/amdxdna/aie2_message.c

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59

drivers/accel/amdxdna/aie2_pci.c

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