Re: [PATCH] block: move from strlcpy with unused retval to strscpy

2022-09-21 Thread Jens Axboe
On Thu, 18 Aug 2022 22:59:57 +0200, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
> 
> 

Applied, thanks!

[1/1] block: move from strlcpy with unused retval to strscpy
  commit: e55e1b4831563e5766f88fa821f5bfac0d6c298c

Best regards,
-- 
Jens Axboe




Re: [PATCH] block: move from strlcpy with unused retval to strscpy

2022-08-19 Thread Christoph Böhmwalder
Am 18.08.22 um 22:59 schrieb Wolfram Sang:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
> 
> Link: 
> https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=v6a6g1ouzcprm...@mail.gmail.com/
> Signed-off-by: Wolfram Sang 
> ---
>  drivers/block/brd.c   |  2 +-
>  drivers/block/drbd/drbd_nl.c  |  2 +-

For the drbd part:

Acked-by: Christoph Böhmwalder 

>  drivers/block/mtip32xx/mtip32xx.c | 12 ++--
>  drivers/block/ps3vram.c   |  2 +-
>  drivers/block/zram/zram_drv.c |  6 +++---
>  5 files changed, 12 insertions(+), 12 deletions(-)
...
> diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
> index 013d355a2033..864c98e74875 100644
> --- a/drivers/block/drbd/drbd_nl.c
> +++ b/drivers/block/drbd/drbd_nl.c
> @@ -4752,7 +4752,7 @@ void notify_helper(enum drbd_notification_type type,
>   struct drbd_genlmsghdr *dh;
>   int err;
>  
> - strlcpy(helper_info.helper_name, name, sizeof(helper_info.helper_name));
> + strscpy(helper_info.helper_name, name, sizeof(helper_info.helper_name));
>   helper_info.helper_name_len = min(strlen(name), 
> sizeof(helper_info.helper_name));
>   helper_info.helper_status = status;
>
-- 
Christoph Böhmwalder
LINBIT | Keeping the Digital World Running
DRBD HA —  Disaster Recovery — Software defined Storage


Re: [PATCH] block: move from strlcpy with unused retval to strscpy

2022-08-19 Thread Geoff Levand
On 8/18/22 13:59, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
> 
> Link: 
> https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=v6a6g1ouzcprm...@mail.gmail.com/
> Signed-off-by: Wolfram Sang 
> ---
...
> diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
> index e1d080f680ed..c76e0148eada 100644
> --- a/drivers/block/ps3vram.c
> +++ b/drivers/block/ps3vram.c
> @@ -745,7 +745,7 @@ static int ps3vram_probe(struct ps3_system_bus_device 
> *dev)
>   gendisk->flags |= GENHD_FL_NO_PART;
>   gendisk->fops = _fops;
>   gendisk->private_data = dev;
> - strlcpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name));
> + strscpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name));
>   set_capacity(gendisk, priv->size >> 9);
>   blk_queue_max_segments(gendisk->queue, BLK_MAX_SEGMENTS);
>   blk_queue_max_segment_size(gendisk->queue, BLK_MAX_SEGMENT_SIZE);

Seems OK for ps3vram.

Acked-by: Geoff Levand 



[PATCH] block: move from strlcpy with unused retval to strscpy

2022-08-18 Thread Wolfram Sang
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: 
https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=v6a6g1ouzcprm...@mail.gmail.com/
Signed-off-by: Wolfram Sang 
---
 drivers/block/brd.c   |  2 +-
 drivers/block/drbd/drbd_nl.c  |  2 +-
 drivers/block/mtip32xx/mtip32xx.c | 12 ++--
 drivers/block/ps3vram.c   |  2 +-
 drivers/block/zram/zram_drv.c |  6 +++---
 5 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 859499cd1ff8..20acc4a1fd6d 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -397,7 +397,7 @@ static int brd_alloc(int i)
disk->minors= max_part;
disk->fops  = _fops;
disk->private_data  = brd;
-   strlcpy(disk->disk_name, buf, DISK_NAME_LEN);
+   strscpy(disk->disk_name, buf, DISK_NAME_LEN);
set_capacity(disk, rd_size * 2);

/*
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 013d355a2033..864c98e74875 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -4752,7 +4752,7 @@ void notify_helper(enum drbd_notification_type type,
struct drbd_genlmsghdr *dh;
int err;
 
-   strlcpy(helper_info.helper_name, name, sizeof(helper_info.helper_name));
+   strscpy(helper_info.helper_name, name, sizeof(helper_info.helper_name));
helper_info.helper_name_len = min(strlen(name), 
sizeof(helper_info.helper_name));
helper_info.helper_status = status;
 
diff --git a/drivers/block/mtip32xx/mtip32xx.c 
b/drivers/block/mtip32xx/mtip32xx.c
index 562725d222a7..815d77ba6381 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1397,15 +1397,15 @@ static void mtip_dump_identify(struct mtip_port *port)
if (!port->identify_valid)
return;
 
-   strlcpy(cbuf, (char *)(port->identify+10), 21);
+   strscpy(cbuf, (char *)(port->identify + 10), 21);
dev_info(>dd->pdev->dev,
"Serial No.: %s\n", cbuf);
 
-   strlcpy(cbuf, (char *)(port->identify+23), 9);
+   strscpy(cbuf, (char *)(port->identify + 23), 9);
dev_info(>dd->pdev->dev,
"Firmware Ver.: %s\n", cbuf);
 
-   strlcpy(cbuf, (char *)(port->identify+27), 41);
+   strscpy(cbuf, (char *)(port->identify + 27), 41);
dev_info(>dd->pdev->dev, "Model: %s\n", cbuf);
 
dev_info(>dd->pdev->dev, "Security: %04x %s\n",
@@ -1421,13 +1421,13 @@ static void mtip_dump_identify(struct mtip_port *port)
pci_read_config_word(port->dd->pdev, PCI_REVISION_ID, );
switch (revid & 0xFF) {
case 0x1:
-   strlcpy(cbuf, "A0", 3);
+   strscpy(cbuf, "A0", 3);
break;
case 0x3:
-   strlcpy(cbuf, "A2", 3);
+   strscpy(cbuf, "A2", 3);
break;
default:
-   strlcpy(cbuf, "?", 2);
+   strscpy(cbuf, "?", 2);
break;
}
dev_info(>dd->pdev->dev,
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index e1d080f680ed..c76e0148eada 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -745,7 +745,7 @@ static int ps3vram_probe(struct ps3_system_bus_device *dev)
gendisk->flags |= GENHD_FL_NO_PART;
gendisk->fops = _fops;
gendisk->private_data = dev;
-   strlcpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name));
+   strscpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name));
set_capacity(gendisk, priv->size >> 9);
blk_queue_max_segments(gendisk->queue, BLK_MAX_SEGMENTS);
blk_queue_max_segment_size(gendisk->queue, BLK_MAX_SEGMENT_SIZE);
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 92cb929a45b7..be435304af29 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -499,7 +499,7 @@ static ssize_t backing_dev_store(struct device *dev,
goto out;
}
 
-   strlcpy(file_name, buf, PATH_MAX);
+   strscpy(file_name, buf, PATH_MAX);
/* ignore trailing newline */
sz = strlen(file_name);
if (sz > 0 && file_name[sz - 1] == '\n')
@@ -1031,7 +1031,7 @@ static ssize_t comp_algorithm_store(struct device *dev,
char compressor[ARRAY_SIZE(zram->compressor)];
size_t sz;
 
-   strlcpy(compressor, buf, sizeof(compressor));
+   strscpy(compressor, buf, sizeof(compressor));
/* ignore trailing newline */
sz = strlen(compressor);
if (sz > 0 && compressor[sz - 1] == '\n')
@@ -1952,7 +1952,7 @@ static int zram_add(void)
if (ret)
goto out_cleanup_disk;
 
-   strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor));
+