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Commit c314b6f1 authored by Simon Vogl's avatar Simon Vogl Committed by Linus Torvalds
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[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: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 124d90be

drivers/mtd/chips/cfi_cmdset_0001.c

+1 −0
Original line number Diff line number Diff line
@@ -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;