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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-09-10 00:02:02 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-09-10 00:02:02 +0200 |
| commit | bf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd (patch) | |
| tree | d67f525c76b66956ba7ca0d40bc0fcda0e414700 /lib/dma-debug.c | |
| parent | PM: Run-time PM platform device bus support (diff) | |
| parent | aoe: allocate unused request_queue for sysfs (diff) | |
| download | linux-bf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd.tar.xz linux-bf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd.zip | |
Merge branch 'master' into for-linus
Diffstat (limited to 'lib/dma-debug.c')
| -rw-r--r-- | lib/dma-debug.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 65b0d99b6d0a..58a9f9fc609a 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -156,9 +156,13 @@ static bool driver_filter(struct device *dev) return true; /* driver filter on and initialized */ - if (current_driver && dev->driver == current_driver) + if (current_driver && dev && dev->driver == current_driver) return true; + /* driver filter on, but we can't filter on a NULL device... */ + if (!dev) + return false; + if (current_driver || !current_driver_name[0]) return false; @@ -183,17 +187,17 @@ static bool driver_filter(struct device *dev) return ret; } -#define err_printk(dev, entry, format, arg...) do { \ - error_count += 1; \ - if (driver_filter(dev) && \ - (show_all_errors || show_num_errors > 0)) { \ - WARN(1, "%s %s: " format, \ - dev_driver_string(dev), \ - dev_name(dev) , ## arg); \ - dump_entry_trace(entry); \ - } \ - if (!show_all_errors && show_num_errors > 0) \ - show_num_errors -= 1; \ +#define err_printk(dev, entry, format, arg...) do { \ + error_count += 1; \ + if (driver_filter(dev) && \ + (show_all_errors || show_num_errors > 0)) { \ + WARN(1, "%s %s: " format, \ + dev ? dev_driver_string(dev) : "NULL", \ + dev ? dev_name(dev) : "NULL", ## arg); \ + dump_entry_trace(entry); \ + } \ + if (!show_all_errors && show_num_errors > 0) \ + show_num_errors -= 1; \ } while (0); /* |