AcoSail/kernel_optimize_test
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esas2r: don't bother with __copy_to_user()

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sure, we'd done copy_from_user() on the same range, so we can
skip access_ok()... and it's not worth bothering.  Just use
copy_to_user().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-02-19 10:37:13 -05:00
parent 8f3d9f3542
commit 3d3185ae59
1 changed files with 1 additions and 1 deletions
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drivers/scsi/esas2r/esas2r_ioctl.c
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@ -1510,7 +1510,7 @@ int esas2r_ioctl_handler(void *hostdata, unsigned int cmd, void __user *arg)
}
/* Always copy the buffer back, if only to pick up the status */
err = __copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
err = copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
if (err != 0) {
esas2r_log(ESAS2R_LOG_WARN,
"ioctl_handler copy_to_user didn't copy everything (err %d, cmd %u)",