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Commit 48ec00ac authored by Adrian Hunter's avatar Adrian Hunter Committed by David Woodhouse
Browse files

[MTD] mtdoops: fix a bit of spin lock usage 



- do not leave spin lock locked
- initialise spin lock

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@nokia.com>
Acked-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent e2a0f25b

drivers/mtd/mtdoops.c

+4 −1
Original line number Diff line number Diff line
@@ -361,8 +361,10 @@ mtdoops_console_write(struct console *co, const char *s, unsigned int count) 
	spin_lock_irqsave(&cxt->writecount_lock, flags);



	/* Check ready status didn't change whilst waiting for the lock */

	if (!cxt->ready)

	if (!cxt->ready) {

		spin_unlock_irqrestore(&cxt->writecount_lock, flags);

		return;

	}



	if (cxt->writecount == 0) {

		u32 *stamp = cxt->oops_buf;
@@ -420,6 +422,7 @@ static int __init mtdoops_console_init(void) 


	cxt->mtd_index = -1;

	cxt->oops_buf = vmalloc(OOPS_PAGE_SIZE);

	spin_lock_init(&cxt->writecount_lock);



	if (!cxt->oops_buf) {

		printk(KERN_ERR "Failed to allocate mtdoops buffer workspace\n");