From c314b6f1fa462acdb89323c75c597eeaae056e7c Mon Sep 17 00:00:00 2001
From: Simon Vogl <simon.vogl@researchstudios.at>
Date: Fri, 24 Feb 2006 13:04:09 -0800
Subject: [PATCH] cfi: init wait queue in chip struct

Fix a kernel oops for Intel P30 flashes, where the wait queue head was not
initialized for the flchip struct, which in turn caused a crash at the
first read operation.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index ded2c33f5b8..1c074d63ff3 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -408,6 +408,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 		cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
 		cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
 		cfi->chips[i].ref_point_counter = 0;
+		init_waitqueue_head(&(cfi->chips[i].wq));
 	}
 
 	map->fldrv = &cfi_intelext_chipdrv;
-- 
cgit v1.2.3