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authorPeter Osterlund <petero2@telia.com>2005-09-13 01:25:29 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-13 08:22:31 -0700
commit610827dee82731c7be5a135d750d194ac56881a9 (patch)
treedb2fb39a27e31a396c4a5b61dc2b42bbd79a121a /include/linux/pktcdvd.h
parent1107d2e0352769b9bde6a4877c295b9309cdb877 (diff)
[PATCH] pktcdvd: BUG_ON cleanups
Remove some redundant BUG_ON() statements in pktcdvd and move one run-time check to compile-time. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/pktcdvd.h')
-rw-r--r--include/linux/pktcdvd.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 4b32bce9a28..2c177e4c8f2 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -166,6 +166,9 @@ struct packet_iosched
/*
* 32 buffers of 2048 bytes
*/
+#if (PAGE_SIZE % CD_FRAMESIZE) != 0
+#error "PAGE_SIZE must be a multiple of CD_FRAMESIZE"
+#endif
#define PACKET_MAX_SIZE 32
#define PAGES_PER_PACKET (PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE)
#define PACKET_MAX_SECTORS (PACKET_MAX_SIZE * CD_FRAMESIZE >> 9)