Google luky.org euqset.org

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

use of uninitialized pointer in jffs_create()


gcc kindly pointed me at jffs_create() with this warning : 

fs/jffs/inode-v23.c:1279: warning: `inode' might be used uninitialized
in this function

And looking at the function :

static int
jffs_create(struct inode *dir, struct dentry *dentry, int mode,
                struct nameidata *nd)
{
        struct jffs_raw_inode raw_inode;
        struct jffs_control *c;
        struct jffs_node *node;
        struct jffs_file *dir_f; /* JFFS representation of the directory.  */
        struct inode *inode;
        int err;

        truncate_inode_pages(&inode->i_data, 0);
...

I think it is correct. How on earth is that call to
truncate_inode_pages() going to avoid blowing up? inode has not yet
been initialized... Looks like a bug to me.
Unfortunately I don't know anything about this code, so I haven't
attempted to fix it.

-- 
Jesper Juhl <jesper.juhl@xxxxxxxxx>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please      http://www.expita.com/nomime.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


$B$3$N>pJs$,$"$J$?$NC5$7$F$$?$b$N$+$I$&$+A*Br$7$F$/$@$5$!#(B
yes/$B$^$5$K$3$l$@!*(B   no/$B0c$&$J$!(B   part/$B0lIt8+$D$+$C$?(B   try/$B$3$l$G;n$7$F$_$k(B

$B$"$J$?$,C5$7$F$$?>pJs$O$I$N$h$&$J$3$H$+!"$4<+M3$K5-F~2<$5$!#FC$K!V$^$5$K$3$l$@!*!W$H8@$&>l9g$O5-F~$r$*4j$$7$^$9!#(B
$BNc(B:$B!VJ#?t$N%^%7%s$+$i(BCATV$B7PM3$G(Bipmasquerade$B$rMxMQ$7$F(BWeb$B$r;2>H$7$?$>l9g$N@_Dj$K$D$$F!W(B
Follow-Ups: