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Driver core: change add_uevent_var to use a struct

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This changes the uevent buffer functions to use a struct instead of a
long list of parameters. It does no longer require the caller to do the
proper buffer termination and size accounting, which is currently wrong
in some places. It fixes a known bug where parts of the uevent
environment are overwritten because of wrong index calculations.

Many thanks to Mathieu Desnoyers for finding bugs and improving the
error handling.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kay Sievers
2007-08-14 15:15:12 +02:00
committed by Greg Kroah-Hartman
parent 8380770c84
commit 7eff2e7a8b
47 changed files with 300 additions and 636 deletions
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drivers/s390/cio/ccwgroup.c
+1 -2
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@@ -44,8 +44,7 @@ ccwgroup_bus_match (struct device * dev, struct device_driver * drv)
return 0;
}
static int
ccwgroup_uevent (struct device *dev, char **envp, int num_envp, char *buffer,
int buffer_size)
ccwgroup_uevent (struct device *dev, struct kobj_uevent_env *env)
{
/* TODO */
return 0;