* [PATCH] cfi: init wait queue in chip struct
@ 2006-02-22 14:29 Simon Vogl
0 siblings, 0 replies; 2+ messages in thread
From: Simon Vogl @ 2006-02-22 14:29 UTC (permalink / raw)
To: linux-mtd
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This patch fixes a kernel oops for Intel P30 flashes, where
the wait queue head was not initialized, which in turn caused
a crash at the first read operation.
Simon
--
_______________________________________________________________________
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:
simon.vogl@researchstudio.at
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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
--- linux-2.6.15.4.mtd-git/drivers/mtd/chips/cfi_cmdset_0001.c 2006-02-21 15:23:34.000000000 +0100
+++ linux-2.6.15.4/drivers/mtd/chips/cfi_cmdset_0001.c 2006-02-22 11:48:29.000000000 +0100
@@ -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;
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH] cfi: init wait queue in chip struct
@ 2006-02-22 14:41 Simon Vogl
0 siblings, 0 replies; 2+ messages in thread
From: Simon Vogl @ 2006-02-22 14:41 UTC (permalink / raw)
To: linux-mtd
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
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
--- linux-2.6.15.4.mtd-git/drivers/mtd/chips/cfi_cmdset_0001.c 2006-02-21 15:23:34.000000000 +0100
+++ linux-2.6.15.4/drivers/mtd/chips/cfi_cmdset_0001.c 2006-02-22 11:48:29.000000000 +0100
@@ -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;
--
_______________________________________________________________________
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: simon.vogl@researchstudio.at
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