From: Michael Grigoriev <mag@luminal.org>
Date: Sun, 9 Nov 2003 16:16:36 +0000 (+0000)
Subject: Also check the return value of kmalloc in case of memory starvation.
X-Git-Tag: fuse_1_1_pre1~15
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=31dc225b7e959fb9dd0c21d8c8ad3f90055db674;p=qemu-gpiodev%2Flibfuse.git

Also check the return value of kmalloc in case of memory starvation.
---

diff --git a/kernel/file.c b/kernel/file.c
index 3e9b80b..4168941 100644
--- a/kernel/file.c
+++ b/kernel/file.c
@@ -225,9 +225,13 @@ static ssize_t fuse_file_read(struct file *filp, char *buf,
 		bl_end_index = bl_file_end_index;
 
 	while (bl_index <= bl_end_index) {
+		int res;
 		char *bl_buf = kmalloc(FUSE_BLOCK_SIZE, GFP_NOFS);
 
-		int res = fuse_is_block_uptodate(mapping, inode, bl_index);
+		if (!bl_buf)
+			break;
+
+		res = fuse_is_block_uptodate(mapping, inode, bl_index);
 
 		if (!res)
 			res = fuse_file_read_block(inode, bl_buf, bl_index);