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ceph: Fix NULL ptr crash in strlen()

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set_request_path_attr() checks for NULL ptr before calling strlen()

This fixes http://tracker.newdream.net/issues/3404

Signed-off-by: David Zafman <david.zafman@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
David Zafman 2012-10-25 10:23:46 -07:00 committed by Alex Elder
parent 7246240c7c
commit b000056a5a
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/mds_client.c
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@ -1590,7 +1590,7 @@ static int set_request_path_attr(struct inode *rinode, struct dentry *rdentry,
} else if (rpath || rino) {
*ino = rino;
*ppath = rpath;
*pathlen = strlen(rpath);
*pathlen = rpath ? strlen(rpath) : 0;
dout(" path %.*s\n", *pathlen, rpath);
}