From 75e46653ef72644e67350027ce87ba2d7ad80e05 Mon Sep 17 00:00:00 2001
From: gevaerts <gevaerts@a1c6a512-1295-4272-9138-f99709370657>
Date: Wed, 23 Dec 2009 22:13:37 +0000
Subject: [PATCH] Make read() and write() return -1/EISDIR on directories

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24106 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/common/file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/firmware/common/file.c b/firmware/common/file.c
index 75adc8756..a80aed539 100644
--- a/firmware/common/file.c
+++ b/firmware/common/file.c
@@ -500,6 +500,11 @@ static int readwrite(int fd, void* buf, long count, bool write)
         return -1;
     }
 
+    if(file->attr & FAT_ATTR_DIRECTORY) {
+        errno = EISDIR;
+        return -1;
+    }
+
     LDEBUGF( "readwrite(%d,%lx,%ld,%s)\n",
              fd,(long)buf,count,write?"write":"read");
 
-- 
2.11.4.GIT