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fs: Replace simple_strtoul with kstrtoul in set_ihash_entries

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Replace simple_strtoul() with the recommended kstrtoul() for parsing the
'ihash_entries=' boot parameter.

Check the return value of kstrtoul() and reject invalid values. This
adds error handling while preserving behavior for existing valid values,
and removes use of the deprecated simple_strtoul() helper.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20251218112144.225301-2-thorsten.blum@linux.dev
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Thorsten Blum
2025-12-18 12:21:45 +01:00
committed by Christian Brauner
parent b68f91ef3b
commit 63ad216fbf
1 changed files with 1 additions and 4 deletions
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5
fs/inode.c
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@@ -2531,10 +2531,7 @@ static void __wait_on_freeing_inode(struct inode *inode, bool is_inode_hash_lock
static __initdata unsigned long ihash_entries;
static int __init set_ihash_entries(char *str)
{
if (!str)
return 0;
ihash_entries = simple_strtoul(str, &str, 0);
return 1;
return kstrtoul(str, 0, &ihash_entries) == 0;
}
__setup("ihash_entries=", set_ihash_entries);