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Dexuan Cui
ba50bf1ce9
fc96df16a1is good and can already fix the "return stack garbage" issue, but let's also improve hv_ringbuffer_get_debuginfo(), which would silently return stack garbage, if people forget to check channel->state or ring_info->ring_buffer, when using the function in the future. Having an error check in the function would eliminate the potential risk. Add a Fixes tag to indicate the patch depdendency. Fixes:fc96df16a1("Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels") Cc: [email protected] Cc: K. Y. Srinivasan <[email protected]> Cc: Haiyang Zhang <[email protected]> Signed-off-by: Stephen Hemminger <[email protected]> Signed-off-by: Dexuan Cui <[email protected]> Signed-off-by: Sasha Levin <[email protected]>