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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2017-06-21 12:30:40 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-06-28 07:32:14 +0200 |
| commit | be2c36769f6340322c5367586adad6c3ce1ed51a (patch) | |
| tree | 68e47ef0c816348c98408917bd9cc8ecc69e167d /arch/s390/pci | |
| parent | 01553d9a2ba7c658bf9e9e5c65466508c1bd6db5 (diff) | |
| download | linux-stable-be2c36769f6340322c5367586adad6c3ce1ed51a.tar.gz linux-stable-be2c36769f6340322c5367586adad6c3ce1ed51a.tar.bz2 linux-stable-be2c36769f6340322c5367586adad6c3ce1ed51a.zip | |
s390/pci: provide more debug information
Add some debug data to observe the lifetime of the
architecture specific device information.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci')
| -rw-r--r-- | arch/s390/pci/pci.c | 1 | ||||
| -rw-r--r-- | arch/s390/pci/pci_clp.c | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 114b390d80f9..d5c7444a0c05 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -772,6 +772,7 @@ void pcibios_remove_bus(struct pci_bus *bus) list_del(&zdev->entry); spin_unlock(&zpci_list_lock); + zpci_dbg(3, "rem fid:%x\n", zdev->fid); kfree(zdev); } diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index 3a5cd84e5a3b..bd534b4d40e3 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -193,12 +193,12 @@ out: int clp_add_pci_device(u32 fid, u32 fh, int configured) { struct zpci_dev *zdev; - int rc; + int rc = -ENOMEM; zpci_dbg(3, "add fid:%x, fh:%x, c:%d\n", fid, fh, configured); zdev = kzalloc(sizeof(*zdev), GFP_KERNEL); if (!zdev) - return -ENOMEM; + goto error; zdev->fh = fh; zdev->fid = fid; @@ -219,6 +219,7 @@ int clp_add_pci_device(u32 fid, u32 fh, int configured) return 0; error: + zpci_dbg(0, "add fid:%x, rc:%d\n", fid, rc); kfree(zdev); return rc; } |