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authorNeil Horman <nhorman@redhat.com>2005-06-23 03:09:11 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 12:45:19 -0400
commitac20427ef6aa63da663bdc88b71d16f7394f5e23 (patch)
tree49ba4f88c5cea42d59b386c508174f585efc8a01 /include/linux/genhd.h
parent3bc1ee3e8f1c05c0f64a479c6d56eb34a6190599 (diff)
[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/genhd.h')
-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 af26dc718ef6..01796c41c951 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -224,7 +224,7 @@ static inline void free_disk_stats(struct gendisk *disk)
224extern void disk_round_stats(struct gendisk *disk); 224extern void disk_round_stats(struct gendisk *disk);
225 225
226/* drivers/block/genhd.c */ 226/* drivers/block/genhd.c */
227extern int get_blkdev_list(char *); 227extern int get_blkdev_list(char *, int);
228extern void add_disk(struct gendisk *disk); 228extern void add_disk(struct gendisk *disk);
229extern void del_gendisk(struct gendisk *gp); 229extern void del_gendisk(struct gendisk *gp);
230extern void unlink_gendisk(struct gendisk *gp); 230extern void unlink_gendisk(struct gendisk *gp);