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Gyeyoung Baek
74570e12b4
dma_resv_wait_timeout() returns a positive 'remaining jiffies' value
on success, 0 on timeout, and -errno on failure.
rocket_ioctl_prep_bo() returns this 'long' result from an int-typed
ioctl handler, so positive values reach userspace as bogus errors.
Explicitly set ret to 0 on the success path.
Fixes: 525ad89dd9 ("accel/rocket: Add IOCTLs for synchronizing memory accesses")
Cc: [email protected]
Signed-off-by: Gyeyoung Baek <[email protected]>
Reviewed-by: Tomeu Vizoso <[email protected]>
Link: https://patch.msgid.link/c0ebf83b345721701b22d8f5bc41c52c0ecf5e16.1776581974.git.gye976@gmail.com
Signed-off-by: Steven Price <[email protected]>