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authorNeil Horman <nhorman@redhat.com>2005-06-23 00:09:11 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:19 -0700
commitac20427ef6aa63da663bdc88b71d16f7394f5e23 (patch)
tree49ba4f88c5cea42d59b386c508174f585efc8a01 /include/linux
parent3bc1ee3e8f1c05c0f64a479c6d56eb34a6190599 (diff)
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[PATCH] add check to /proc/devices read routines
Patch to add check to get_chrdev_list and get_blkdev_list to prevent reads of /proc/devices from spilling over the provided page if more than 4096 bytes of string data are generated from all the registered character and block devices in a system Signed-off-by: Neil Horman <nhorman@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/genhd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index af26dc7..01796c4 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -224,7 +224,7 @@ static inline void free_disk_stats(struct gendisk *disk)
extern void disk_round_stats(struct gendisk *disk);
/* drivers/block/genhd.c */
-extern int get_blkdev_list(char *);
+extern int get_blkdev_list(char *, int);
extern void add_disk(struct gendisk *disk);
extern void del_gendisk(struct gendisk *gp);
extern void unlink_gendisk(struct gendisk *gp);