diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 4630094b4ca..016ff4014a7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -228,13 +228,21 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, size_t count, loff_t *ppos) { u32 val; - char buf[1024]; + char *buf; ssize_t ret; int i; int pos = 0; struct iwl_priv *priv = (struct iwl_priv *)file->private_data; - const size_t bufsz = sizeof(buf); + size_t bufsz; + bufsz = 30 + priv->dbgfs->sram_len * sizeof(char) * 12; + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + pos += scnprintf(buf + pos, bufsz - pos, "sram_len: %d\n", + priv->dbgfs->sram_len); + pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: %d\n", + priv->dbgfs->sram_offset); for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ priv->dbgfs->sram_len - i); @@ -251,11 +259,14 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, break; } } + if (!(i % 16)) + pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); return ret; } |