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authorJiri Slaby (SUSE) <[email protected]>2023-08-10 09:15:03 +0000
committerGreg Kroah-Hartman <[email protected]>2023-08-11 19:12:46 +0000
commit95713967ba52389f7cea75704d0cf048080ec218 (patch)
treefec0df386db066c0026c8eb2e7fef035903e9af0 /drivers/usb/class/cdc-acm.c
parenttty: propagate u8 data to tty_operations::put_char() (diff)
downloadkernel-95713967ba52389f7cea75704d0cf048080ec218.tar.gz
kernel-95713967ba52389f7cea75704d0cf048080ec218.zip
tty: make tty_operations::write()'s count size_t
Unify with the rest of the code. Use size_t for counts and ssize_t for retval. Signed-off-by: "Jiri Slaby (SUSE)" <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 913b07b30d33..3591880d96bd 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -789,7 +789,8 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
tty_port_close(&acm->port, tty, filp);
}
-static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t acm_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct acm *acm = tty->driver_data;
int stat;
@@ -800,7 +801,7 @@ static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
if (!count)
return 0;
- dev_vdbg(&acm->data->dev, "%d bytes from tty layer\n", count);
+ dev_vdbg(&acm->data->dev, "%zu bytes from tty layer\n", count);
spin_lock_irqsave(&acm->write_lock, flags);
wbn = acm_wb_alloc(acm);
@@ -817,7 +818,7 @@ static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
}
count = (count > acm->writesize) ? acm->writesize : count;
- dev_vdbg(&acm->data->dev, "writing %d bytes\n", count);
+ dev_vdbg(&acm->data->dev, "writing %zu bytes\n", count);
memcpy(wb->buf, buf, count);
wb->len = count;