[PATCH AUTOSEL 6.1 10/12] usb: gadget: function: Remove usage of the deprecated ida_simple_xx() API

Sasha Levin
2024-06-05T11:54:01Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 920e7522e3bab5ebc2fb0cc1a034f4470c87fa97 ]

ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/7cd361e2b377a5373968fa7deee4169229992a1e.1713107386.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/gadget/function/f_hid.c | 6 +++---
drivers/usb/gadget/function/f_printer.c | 6 +++---
drivers/usb/gadget/function/rndis.c | 4 ++--
3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index f1ca9250cad96..bb558a575cb15 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1025,9 +1025,9 @@ static inline int hidg_get_minor(void)
{
int ret;

- ret = ida_simple_get(&hidg_ida, 0, 0, GFP_KERNEL);
+ ret = ida_alloc(&hidg_ida, GFP_KERNEL);
if (ret >= HIDG_MINORS) {
- ida_simple_remove(&hidg_ida, ret);
+ ida_free(&hidg_ida, ret);
ret = -ENODEV;
}

@@ -1172,7 +1172,7 @@ static const struct config_item_type hid_func_type = {

static inline void hidg_put_minor(int minor)
{
- ida_simple_remove(&hidg_ida, minor);
+ ida_free(&hidg_ida, minor);
}

static void hidg_free_inst(struct usb_function_instance *f)
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index a881c69b1f2bf..8545656419c71 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -1316,9 +1316,9 @@ static inline int gprinter_get_minor(void)
{
int ret;

- ret = ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL);
+ ret = ida_alloc(&printer_ida, GFP_KERNEL);
if (ret >= PRINTER_MINORS) {
- ida_simple_remove(&printer_ida, ret);
+ ida_free(&printer_ida, ret);
ret = -ENODEV;
}

@@ -1327,7 +1327,7 @@ static inline int gprinter_get_minor(void)

static inline void gprinter_put_minor(int minor)
{
- ida_simple_remove(&printer_ida, minor);
+ ida_free(&printer_ida, minor);
}

static int gprinter_setup(int);
diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c
index 29bf8664bf582..12c5d9cf450c1 100644
--- a/drivers/usb/gadget/function/rndis.c
+++ b/drivers/usb/gadget/function/rndis.c
@@ -869,12 +869,12 @@ EXPORT_SYMBOL_GPL(rndis_msg_parser);

static inline int rndis_get_nr(void)
{
- return ida_simple_get(&rndis_ida, 0, 1000, GFP_KERNEL);
+ return ida_alloc_max(&rndis_ida, 999, GFP_KERNEL);
}

static inline void rndis_put_nr(int nr)
{
- ida_simple_remove(&rndis_ida, nr);
+ ida_free(&rndis_ida, nr);
}

struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v)
--
2.43.0