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tty: switch size and count types in iterate_tty_read() to size_t

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ld->ops->read() returns ssize_t. copy_to_iter() returns size_t. So
switch the variables ('size' and 'copied', respectively) to the
corresponding types.

This allows for use of min() in the next patch.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-26-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-10 11:14:59 +02:00 committed by Greg Kroah-Hartman
parent 24b01c5d49
commit e3afc5b0d7
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/tty_io.c
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@ -850,10 +850,10 @@ static ssize_t iterate_tty_read(struct tty_ldisc *ld, struct tty_struct *tty,
unsigned long offset = 0;
char kernel_buf[64];
ssize_t retval = 0;
size_t count = iov_iter_count(to);
size_t copied, count = iov_iter_count(to);
do {
int size, copied;
ssize_t size;
size = count > sizeof(kernel_buf) ? sizeof(kernel_buf) : count;
size = ld->ops->read(tty, file, kernel_buf, size, &cookie, offset);