The patch titled
spi: correct bus_num and buffer bug in spi core
has been added to the -mm tree. Its filename is
correct-bus_num-and-buffer-bug-in-spi-core.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: spi: correct bus_num and buffer bug in spi core
From: Hans-Christian Egtvedt <hcegtvedt@xxxxxxxxx>
Correct the following in driver/spi/spi.c in function spi_busnum_to_master:
* must allow bus_num 0, the if is really not needed.
* correct the name buffer which is too small for bus_num >= 10000. It
should be 9 bytes big, not 8.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@xxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/spi/spi.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff -puN drivers/spi/spi.c~correct-bus_num-and-buffer-bug-in-spi-core drivers/spi/spi.c
--- a/drivers/spi/spi.c~correct-bus_num-and-buffer-bug-in-spi-core
+++ a/drivers/spi/spi.c
@@ -466,15 +466,13 @@ EXPORT_SYMBOL_GPL(spi_unregister_master)
*/
struct spi_master *spi_busnum_to_master(u16 bus_num)
{
- if (bus_num) {
- char name[8];
- struct kobject *bus;
-
- snprintf(name, sizeof name, "spi%u", bus_num);
- bus = kset_find_obj(&spi_master_class.subsys.kset, name);
- if (bus)
- return container_of(bus, struct spi_master, cdev.kobj);
- }
+ char name[9];
+ struct kobject *bus;
+
+ snprintf(name, sizeof name, "spi%u", bus_num);
+ bus = kset_find_obj(&spi_master_class.subsys.kset, name);
+ if (bus)
+ return container_of(bus, struct spi_master, cdev.kobj);
return NULL;
}
EXPORT_SYMBOL_GPL(spi_busnum_to_master);
_
Patches currently in -mm which might be from hcegtvedt@xxxxxxxxx are
correct-bus_num-and-buffer-bug-in-spi-core.patch
spi-set-kset-of-master-class-dev-explicitly.patch
-
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