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authorLi Zetao <lizetao1@huawei.com>2023-08-10 13:50:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-11 21:38:52 +0200
commit60df28ac09d666f0b0e96fedf556d878715fa86f (patch)
tree093c414fa035a5ddaca6e3a3aeb3ef33f769e2d7 /drivers/misc
parentmisc: eeprom/idt_89hpesx: Switch to memdup_user_nul() helper (diff)
downloadlinux-60df28ac09d666f0b0e96fedf556d878715fa86f.tar.xz
linux-60df28ac09d666f0b0e96fedf556d878715fa86f.zip
misc: eeprom/idt_89hpesx: Use devm_kmemdup to replace devm_kmalloc + memcpy
Use the helper function devm_kmemdup() rather than duplicating its implementation, which helps to enhance code readability. Signed-off-by: Li Zetao <lizetao1@huawei.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Link: https://lore.kernel.org/r/20230810115049.2104099-1-lizetao1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/eeprom/idt_89hpesx.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c
index 433a4bc6b1c5..1d1f30b5c426 100644
--- a/drivers/misc/eeprom/idt_89hpesx.c
+++ b/drivers/misc/eeprom/idt_89hpesx.c
@@ -1288,14 +1288,15 @@ static int idt_create_sysfs_files(struct idt_89hpesx_dev *pdev)
return 0;
}
- /* Allocate memory for attribute file */
- pdev->ee_file = devm_kmalloc(dev, sizeof(*pdev->ee_file), GFP_KERNEL);
+ /*
+ * Allocate memory for attribute file and copy the declared EEPROM attr
+ * structure to change some of fields
+ */
+ pdev->ee_file = devm_kmemdup(dev, &bin_attr_eeprom,
+ sizeof(*pdev->ee_file), GFP_KERNEL);
if (!pdev->ee_file)
return -ENOMEM;
- /* Copy the declared EEPROM attr structure to change some of fields */
- memcpy(pdev->ee_file, &bin_attr_eeprom, sizeof(*pdev->ee_file));
-
/* In case of read-only EEPROM get rid of write ability */
if (pdev->eero) {
pdev->ee_file->attr.mode &= ~0200;