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Commit 366f4aea authored by Jan Kara's avatar Jan Kara Committed by Jens Axboe
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brd: Switch rd_size to unsigned long 



Currently rd_size was int which lead to overflow and bogus device size
once the requested ramdisk size was 1 TB or more. Although these days
ramdisks with 1 TB size are mostly a mistake, the days when they are
useful are not far.

Reported-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 5f2808ff

drivers/block/brd.c

+2 −2
Original line number Diff line number Diff line
@@ -443,8 +443,8 @@ static int rd_nr = CONFIG_BLK_DEV_RAM_COUNT; 
module_param(rd_nr, int, S_IRUGO);

MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices");



int rd_size = CONFIG_BLK_DEV_RAM_SIZE;

module_param(rd_size, int, S_IRUGO);

unsigned long rd_size = CONFIG_BLK_DEV_RAM_SIZE;

module_param(rd_size, ulong, S_IRUGO);

MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes.");



static int max_part = 1;