Hello Sujith Manoharan,
This is a semi-automatic email about new static checker warnings.
The patch e6664dff0608: "ath: Add support for tracing" from Sep 27,
2014, leads to the following Smatch complaint:
drivers/net/wireless/ath/main.c:88 ath_printk()
error: we previously assumed 'common->hw' could be null (see line 82)
drivers/net/wireless/ath/main.c
81
82 if (common && common->hw && common->hw->wiphy)
^^^^^^^^^^
Existing code assumes common->hw can be NULL.
83 printk("%sath: %s: %pV",
84 level, wiphy_name(common->hw->wiphy), &vaf);
85 else
86 printk("%sath: %pV", level, &vaf);
87
88 trace_ath_log(common->hw->wiphy, &vaf);
^^^^^^^^^^^^^^^^^
New code dereferences it without checking for NULL.
89
90 va_end(args);
regards,
dan carpenter
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