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crypto: iaa - Replace sprintf with sysfs_emit in sysfs show functions 

Replace sprintf() with sysfs_emit() in verify_compress_show() and
sync_mode_show(). sysfs_emit() is preferred to format sysfs output as it
provides better bounds checking.  No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum 2025-12-15 08:23:52 +01:00 committed by Herbert Xu
parent 32c539884d
commit bce4678f02
1 changed files with 5 additions and 4 deletions
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9
drivers/crypto/intel/iaa/iaa_crypto_main.c
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@ -5,6 +5,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/sysfs.h>
#include <linux/device.h>
#include <linux/iommu.h>
#include <uapi/linux/idxd.h>
@ -96,7 +97,7 @@ static bool iaa_verify_compress = true;
static ssize_t verify_compress_show(struct device_driver *driver, char *buf)
{
return sprintf(buf, "%d\n", iaa_verify_compress);
return sysfs_emit(buf, "%d\n", iaa_verify_compress);
}
static ssize_t verify_compress_store(struct device_driver *driver,
@ -188,11 +189,11 @@ static ssize_t sync_mode_show(struct device_driver *driver, char *buf)
int ret = 0;
if (!async_mode && !use_irq)
ret = sprintf(buf, "%s\n", "sync");
ret = sysfs_emit(buf, "%s\n", "sync");
else if (async_mode && !use_irq)
ret = sprintf(buf, "%s\n", "async");
ret = sysfs_emit(buf, "%s\n", "async");
else if (async_mode && use_irq)
ret = sprintf(buf, "%s\n", "async_irq");
ret = sysfs_emit(buf, "%s\n", "async_irq");
return ret;
}