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Code Issues Releases Activity

SIMPLEBUS: Don't panic if child device doesn't have devinfo set.

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Strictly speaking, missing devinfo is error which can be caused
by instantiating child using device_add_child() instead of
BUS_ADD_CHILD(). However, we can tolerate it.

Approved by:	kib (mentor)
This commit is contained in:
Michal Meloun 2015-12-13 09:05:55 +00:00
parent 8f32e46db7
commit 6fc608bf2c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=292159
1 changed files with 6 additions and 0 deletions
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6
sys/dev/fdt/simplebus.c
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@ -304,6 +304,8 @@ simplebus_get_devinfo(device_t bus __unused, device_t child)
struct simplebus_devinfo *ndi;
ndi = device_get_ivars(child);
if (ndi == NULL)
return (NULL);
return (&ndi->obdinfo);
}
@ -313,6 +315,8 @@ simplebus_get_resource_list(device_t bus __unused, device_t child)
struct simplebus_devinfo *ndi;
ndi = device_get_ivars(child);
if (ndi == NULL)
return (NULL);
return (&ndi->rl);
}
@ -380,6 +384,8 @@ simplebus_print_res(struct simplebus_devinfo *di)
{
int rv;
if (di == NULL)
return (0);
rv = 0;
rv += resource_list_print_type(&di->rl, "mem", SYS_RES_MEMORY, "%#lx");
rv += resource_list_print_type(&di->rl, "irq", SYS_RES_IRQ, "%ld");