diff options
| author | Corey Minyard <cminyard@mvista.com> | 2017-11-27 08:18:33 -0600 |
|---|---|---|
| committer | Corey Minyard <cminyard@mvista.com> | 2017-12-12 07:02:32 -0600 |
| commit | 174134ac760275457bb0d1560a0dbe6cf8a12ad6 (patch) | |
| tree | 93f8c9a36d0c25c0b0d827c6ec2b323fe2afcf82 | |
| parent | 7195a5a6dad92441e3b38e03c44590597da743b7 (diff) | |
| download | linux-174134ac760275457bb0d1560a0dbe6cf8a12ad6.tar.bz2 | |
ipmi_si: Fix error handling of platform device
Cleanup of platform devices created by the IPMI driver was not
being done correctly and could result in a memory leak. So
create a local boolean to know how to clean up those platform
devices.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 71fad747c0c7..7499b0cd8326 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2045,6 +2045,7 @@ static int try_smi_init(struct smi_info *new_smi) int rv = 0; int i; char *init_name = NULL; + bool platform_device_registered = false; pr_info(PFX "Trying %s-specified %s state machine at %s address 0x%lx, slave address 0x%x, irq %d\n", ipmi_addr_src_to_str(new_smi->io.addr_source), @@ -2173,6 +2174,7 @@ static int try_smi_init(struct smi_info *new_smi) rv); goto out_err; } + platform_device_registered = true; } dev_set_drvdata(new_smi->io.dev, new_smi); @@ -2279,10 +2281,11 @@ out_err: } if (new_smi->pdev) { - platform_device_unregister(new_smi->pdev); + if (platform_device_registered) + platform_device_unregister(new_smi->pdev); + else + platform_device_put(new_smi->pdev); new_smi->pdev = NULL; - } else if (new_smi->pdev) { - platform_device_put(new_smi->pdev); } kfree(init_name); |