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cfi: init wait queue in chip struct

PATCH New Simon Vogl 1 participant 1 message Feb 22, 2006 Memory technology devices (MTD)

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Simon Vogl

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PATCH 1/1 cfi: init wait queue in chip struct

This patch fixes 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.
Simon

drivers/mtd/chips/cfi_cmdset_0001.c +1 -0
diff -ur linux-2.6.15.4.mtd-git/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.15.4/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -408,6 +408,7 @@
 		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;
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_______________________________________________________________________
Dr. Simon Vogl
ARC Seibersdorf research GmbH
Research Studios Austria, Studio Pervasive Computing Applications
Aubrunnerweg 1, A-4040 Linz, Austria  
  
Tel: +43 732 2468-5350, Fax: +43 732 2468-25350
mailto: [email protected]