isofs: delete unnecessary checks before brelse()

The brelse() function tests whether its argument is NULL
and then returns immediately.
Thus remove the tests which are not needed around the shown calls.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220819081420.96209-1-chi.minghao@zte.com.cn

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 88bf2030346603cb978a3cec49e72a210ada1996..df9d70588b600b382e8075bc3898f0d488fc086a 100644 (file)
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1277,13 +1277,11 @@ static int isofs_read_level3_size(struct inode *inode)
        } while (more_entries);
 out:
        kfree(tmpde);
-       if (bh)
-               brelse(bh);
+       brelse(bh);
        return 0;
 
 out_nomem:
-       if (bh)
-               brelse(bh);
+       brelse(bh);
        return -ENOMEM;
 
 out_noread:
@@ -1486,8 +1484,7 @@ static int isofs_read_inode(struct inode *inode, int relocated)
        ret = 0;
 out:
        kfree(tmpde);
-       if (bh)
-               brelse(bh);
+       brelse(bh);
        return ret;
 
 out_badread: