unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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JFFS2: Return an error for long filenames

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Return an error if a name is too long for JFFS2 rather than
corrupting data.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
This commit is contained in:
Richard Purdie 2006-04-18 02:05:46 +01:00 committed by Richard Purdie
parent 6e62e8c2c7
commit 373d5e7183
1 changed files with 3 additions and 0 deletions
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3
fs/jffs2/dir.c
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@ -78,6 +78,9 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
D1(printk(KERN_DEBUG "jffs2_lookup()\n"));
if (target->d_name.len > JFFS2_MAX_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
dir_f = JFFS2_INODE_INFO(dir_i);
c = JFFS2_SB_INFO(dir_i->i_sb);