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authorJiri Slaby (SUSE) <jirislaby@kernel.org>2023-08-10 11:14:59 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-11 21:12:46 +0200
commite3afc5b0d708e2ef389b9c7acd45d1e4fd2cb304 (patch)
tree2d6aa106478a38359b01660eaf7edd7fdc20bf7b /drivers/tty/tty_io.c
parent24b01c5d497ba422f34d381a693d0592e95ad5c3 (diff)
tty: switch size and count types in iterate_tty_read() to size_t
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>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index e8248773e3f0..7cfa99fbbb62 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -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);