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Commit 50b70599 authored by Al Viro's avatar Al Viro Committed by Greg Kroah-Hartman
Browse files

WRITE is "data source", not destination... 



[ Upstream commit 974c36fb828aeae7b4f9063f94860ae6c5633efd ]

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 21081886

drivers/fsi/fsi-sbefifo.c

+3 −3
Original line number Diff line number Diff line
@@ -640,7 +640,7 @@ static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo) 
	}

        ffdc_iov.iov_base = ffdc;

	ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;

        iov_iter_kvec(&ffdc_iter, WRITE, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);

        iov_iter_kvec(&ffdc_iter, READ, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);

	cmd[0] = cpu_to_be32(2);

	cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);

	rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
@@ -737,7 +737,7 @@ int sbefifo_submit(struct device *dev, const __be32 *command, size_t cmd_len, 
	rbytes = (*resp_len) * sizeof(__be32);

	resp_iov.iov_base = response;

	resp_iov.iov_len = rbytes;

        iov_iter_kvec(&resp_iter, WRITE, &resp_iov, 1, rbytes);

        iov_iter_kvec(&resp_iter, READ, &resp_iov, 1, rbytes);



	/* Perform the command */

	mutex_lock(&sbefifo->lock);
@@ -817,7 +817,7 @@ static ssize_t sbefifo_user_read(struct file *file, char __user *buf, 
	/* Prepare iov iterator */

	resp_iov.iov_base = buf;

	resp_iov.iov_len = len;

	iov_iter_init(&resp_iter, WRITE, &resp_iov, 1, len);

	iov_iter_init(&resp_iter, READ, &resp_iov, 1, len);



	/* Perform the command */

	mutex_lock(&sbefifo->lock);