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Code Issues Releases Wiki Activity

habanalabs: remove redundant memset

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From reviewing the code, the line
  memset(kdata, 0, usize);
is not needed because kdata is either zeroed by
  kdata = kzalloc(asize, GFP_KERNEL);
when allocated at runtime or by
  char stack_kdata[128] = {0};
at compile time.

Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Tom Rix 2023-01-07 13:48:27 -05:00 committed by Oded Gabbay
parent 78baccbdc3
commit c7d7b9aca2
1 changed files with 0 additions and 2 deletions
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2
drivers/accel/habanalabs/common/habanalabs_ioctl.c
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@ -1123,8 +1123,6 @@ static long _hl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg,
retcode = -EFAULT;
goto out_err;
}
} else if (cmd & IOC_OUT) {
memset(kdata, 0, usize);
}
retcode = func(hpriv, kdata);