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-rw-r--r--fs/sysfs/file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 298303b5a716..95c165101c98 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -190,6 +190,9 @@ fill_write_buffer(struct sysfs_buffer * buffer, const char __user * buf, size_t
count = PAGE_SIZE - 1;
error = copy_from_user(buffer->page,buf,count);
buffer->needs_read_fill = 1;
+ /* if buf is assumed to contain a string, terminate it by \0,
+ so e.g. sscanf() can scan the string easily */
+ buffer->page[count] = 0;
return error ? -EFAULT : count;
}