Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linvill...

[linux-2.6-omap-h63xx.git] / drivers / net / wireless / ipw2200.c

diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index da51f477e9df32adbd7ef1abcf65cc9c6352e472..88062c1318a89c0c16ab3e20707fdeb7b4afa72b 100644 (file)
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -1233,9 +1233,19 @@ static ssize_t show_event_log(struct device *d,
 {
        struct ipw_priv *priv = dev_get_drvdata(d);
        u32 log_len = ipw_get_event_log_len(priv);
-       struct ipw_event log[log_len];
+       u32 log_size;
+       struct ipw_event *log;
        u32 len = 0, i;
 
+       /* not using min() because of its strict type checking */
+       log_size = PAGE_SIZE / sizeof(*log) > log_len ?
+                       sizeof(*log) * log_len : PAGE_SIZE;
+       log = kzalloc(log_size, GFP_KERNEL);
+       if (!log) {
+               IPW_ERROR("Unable to allocate memory for log\n");
+               return 0;
+       }
+       log_len = log_size / sizeof(*log);
        ipw_capture_event_log(priv, log_len, log);
 
        len += snprintf(buf + len, PAGE_SIZE - len, "%08X", log_len);
@@ -1244,6 +1254,7 @@ static ssize_t show_event_log(struct device *d,
                                "\n%08X%08X%08X",
                                log[i].time, log[i].event, log[i].data);
        len += snprintf(buf + len, PAGE_SIZE - len, "\n");
+       kfree(log);
        return len;
 }