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path: root/drivers/char/ipmi/ipmi_si_intf.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5faa917df1b6..75e5006f395a 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1862,6 +1862,18 @@ int ipmi_si_add_smi(struct si_sm_io *io)
int rv = 0;
struct smi_info *new_smi, *dup;
+ /*
+ * If the user gave us a hard-coded device at the same
+ * address, they presumably want us to use it and not what is
+ * in the firmware.
+ */
+ if (io->addr_source != SI_HARDCODED &&
+ ipmi_si_hardcode_match(io->addr_type, io->addr_data)) {
+ dev_info(io->dev,
+ "Hard-coded device at this address already exists");
+ return -ENODEV;
+ }
+
if (!io->io_setup) {
if (io->addr_type == IPMI_IO_ADDR_SPACE) {
io->io_setup = ipmi_si_port_setup;
@@ -2085,11 +2097,16 @@ static int try_smi_init(struct smi_info *new_smi)
WARN_ON(new_smi->io.dev->init_name != NULL);
out_err:
+ if (rv && new_smi->io.io_cleanup) {
+ new_smi->io.io_cleanup(&new_smi->io);
+ new_smi->io.io_cleanup = NULL;
+ }
+
kfree(init_name);
return rv;
}
-static int init_ipmi_si(void)
+static int __init init_ipmi_si(void)
{
struct smi_info *e;
enum ipmi_addr_src type = SI_INVALID;
@@ -2097,12 +2114,9 @@ static int init_ipmi_si(void)
if (initialized)
return 0;
+ ipmi_hardcode_init();
pr_info("IPMI System Interface driver.\n");
- /* If the user gave us a device, they presumably want us to use it */
- if (!ipmi_si_hardcode_find_bmc())
- goto do_scan;
-
ipmi_si_platform_init();
ipmi_si_pci_init();
@@ -2113,7 +2127,6 @@ static int init_ipmi_si(void)
with multiple BMCs we assume that there will be several instances
of a given type so if we succeed in registering a type then also
try to register everything else of the same type */
-do_scan:
mutex_lock(&smi_infos_lock);
list_for_each_entry(e, &smi_infos, link) {
/* Try to register a device if it has an IRQ and we either
@@ -2299,6 +2312,8 @@ static void cleanup_ipmi_si(void)
list_for_each_entry_safe(e, tmp_e, &smi_infos, link)
cleanup_one_si(e);
mutex_unlock(&smi_infos_lock);
+
+ ipmi_si_hardcode_exit();
}
module_exit(cleanup_ipmi_si);