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Diffstat (limited to 'fs/cifs/readdir.c')
-rw-r--r--fs/cifs/readdir.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 57b039ebfb1f..43fa471c88d7 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -652,7 +652,14 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
/* scan and find it */
int i;
char *cur_ent;
- char *end_of_smb = cfile->srch_inf.ntwrk_buf_start +
+ char *end_of_smb;
+
+ if (cfile->srch_inf.ntwrk_buf_start == NULL) {
+ cifs_dbg(VFS, "ntwrk_buf_start is NULL during readdir\n");
+ return -EIO;
+ }
+
+ end_of_smb = cfile->srch_inf.ntwrk_buf_start +
server->ops->calc_smb_size(
cfile->srch_inf.ntwrk_buf_start);