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[XFS] Fix follow_link when dealing with symlinks larger than 256 bytes.

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Thanks to Yamamoto Takashi.

SGI-PV: 947953
SGI-Modid: xfs-linux-melb:xfs-kern:24962a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2006-01-12 10:32:51 +11:00
parent 3762ec6bf7
commit 0d1335b310
1 changed files with 4 additions and 4 deletions
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8
fs/xfs/linux-2.6/xfs_iops.c
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@ -546,7 +546,7 @@ linvfs_follow_link(
ASSERT(dentry);
ASSERT(nd);
link = (char *)kmalloc(MAXNAMELEN+1, GFP_KERNEL);
link = (char *)kmalloc(MAXPATHLEN+1, GFP_KERNEL);
if (!link) {
nd_set_link(nd, ERR_PTR(-ENOMEM));
return NULL;
@ -562,12 +562,12 @@ linvfs_follow_link(
vp = LINVFS_GET_VP(dentry->d_inode);
iov.iov_base = link;
iov.iov_len = MAXNAMELEN;
iov.iov_len = MAXPATHLEN;
uio->uio_iov = &iov;
uio->uio_offset = 0;
uio->uio_segflg = UIO_SYSSPACE;
uio->uio_resid = MAXNAMELEN;
uio->uio_resid = MAXPATHLEN;
uio->uio_iovcnt = 1;
VOP_READLINK(vp, uio, 0, NULL, error);
@ -575,7 +575,7 @@ linvfs_follow_link(
kfree(link);
link = ERR_PTR(-error);
} else {
link[MAXNAMELEN - uio->uio_resid] = '\0';
link[MAXPATHLEN - uio->uio_resid] = '\0';
}
kfree(uio);