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authorMax Krummenacher <max.krummenacher@toradex.com>2021-10-16 13:04:24 +0200
committerMax Krummenacher <max.krummenacher@toradex.com>2021-10-16 13:04:24 +0200
commitf8e718054f4421d11638e370b933ccc6c77466ed (patch)
tree973ff8cb8aed7d8e4da6a194456ddc01c206b7de /fs/seq_file.c
parentd900385139e5aa8d584dee92c87bb85d0226253e (diff)
parent1392fe82d7fba00ba4a8e01968935f2b2085d5a4 (diff)
Merge tag 'v4.4.288' into toradex_vf_4.4
This is the 4.4.288 stable release Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Diffstat (limited to 'fs/seq_file.c')
-rw-r--r--fs/seq_file.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 6dc4296eed62..95e730506ad2 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -14,6 +14,7 @@
#include <linux/mm.h>
#include <linux/printk.h>
#include <linux/string_helpers.h>
+#include <linux/pagemap.h>
#include <asm/uaccess.h>
#include <asm/page.h>
@@ -28,6 +29,9 @@ static void *seq_buf_alloc(unsigned long size)
void *buf;
gfp_t gfp = GFP_KERNEL;
+ if (unlikely(size > MAX_RW_COUNT))
+ return NULL;
+
/*
* For high order allocations, use __GFP_NORETRY to avoid oom-killing -
* it's better to fall back to vmalloc() than to kill things. For small