WRITE is "data source", not destination...
[ Upstream commit 974c36fb828aeae7b4f9063f94860ae6c5633efd ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -640,7 +640,7 @@ static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo)
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}
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}
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ffdc_iov.iov_base = ffdc;
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ffdc_iov.iov_base = ffdc;
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ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;
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ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;
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iov_iter_kvec(&ffdc_iter, WRITE, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
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iov_iter_kvec(&ffdc_iter, READ, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
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cmd[0] = cpu_to_be32(2);
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cmd[0] = cpu_to_be32(2);
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cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);
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cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);
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rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
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rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
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@ -737,7 +737,7 @@ int sbefifo_submit(struct device *dev, const __be32 *command, size_t cmd_len,
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rbytes = (*resp_len) * sizeof(__be32);
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rbytes = (*resp_len) * sizeof(__be32);
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resp_iov.iov_base = response;
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resp_iov.iov_base = response;
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resp_iov.iov_len = rbytes;
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resp_iov.iov_len = rbytes;
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iov_iter_kvec(&resp_iter, WRITE, &resp_iov, 1, rbytes);
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iov_iter_kvec(&resp_iter, READ, &resp_iov, 1, rbytes);
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/* Perform the command */
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/* Perform the command */
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mutex_lock(&sbefifo->lock);
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mutex_lock(&sbefifo->lock);
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@ -817,7 +817,7 @@ static ssize_t sbefifo_user_read(struct file *file, char __user *buf,
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/* Prepare iov iterator */
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/* Prepare iov iterator */
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resp_iov.iov_base = buf;
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resp_iov.iov_base = buf;
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resp_iov.iov_len = len;
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resp_iov.iov_len = len;
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iov_iter_init(&resp_iter, WRITE, &resp_iov, 1, len);
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iov_iter_init(&resp_iter, READ, &resp_iov, 1, len);
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/* Perform the command */
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/* Perform the command */
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mutex_lock(&sbefifo->lock);
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mutex_lock(&sbefifo->lock);
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