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-rw-r--r--fs/qnx4/dir.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 8b27142a3..0fbae7262 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -41,6 +41,11 @@ static int qnx4_readdir(struct file *filp, void *dirent, filldir_t filldir)
while (filp->f_pos < inode->i_size) {
bh = bread(inode->i_dev, blknum, QNX4_BLOCK_SIZE);
+ if(bh==NULL)
+ {
+ printk(KERN_ERR "qnx4_readdir: bread failed (%ld)\n", blknum);
+ break;
+ }
i = (filp->f_pos - (((filp->f_pos >> 6) >> 3) << 9)) & 0x3f;
while (i < QNX4_INODES_PER_BLOCK) {
offset = i * QNX4_DIR_ENTRY_SIZE;