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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2015-11-20 10:46:49 +0100
committerJens Axboe <axboe@fb.com>2015-11-20 08:46:50 -0700
commit8aeea03195ee6e33fcb00039c414eabfc37a4eb8 (patch)
treedfafeb55bdf6ddd18172578165a018966ae2b264 /drivers/block/mtip32xx
parent604e8c8da8854351496215d269c3fa93859e3fee (diff)
mtip32xx: use formatting capability of kthread_create_on_node
kthread_create_on_node takes format+args, so there's no need to do the pretty-printing in advance. Moreover, "mtip_svc_thd_99" (including its '\0') only just fits in 16 bytes, so if index could ever go above 99 we'd have a stack buffer overflow. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/mtip32xx')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index a28a562f7b7f..3457ac8c03e2 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -3810,7 +3810,6 @@ static int mtip_block_initialize(struct driver_data *dd)
sector_t capacity;
unsigned int index = 0;
struct kobject *kobj;
- unsigned char thd_name[16];
if (dd->disk)
goto skip_create_disk; /* hw init done, before rebuild */
@@ -3958,10 +3957,9 @@ skip_create_disk:
}
start_service_thread:
- sprintf(thd_name, "mtip_svc_thd_%02d", index);
dd->mtip_svc_handler = kthread_create_on_node(mtip_service_thread,
- dd, dd->numa_node, "%s",
- thd_name);
+ dd, dd->numa_node,
+ "mtip_svc_thd_%02d", index);
if (IS_ERR(dd->mtip_svc_handler)) {
dev_err(&dd->pdev->dev, "service thread failed to start\n");