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| author | Zhaolei <zhaolei@cn.fujitsu.com> | 2008-10-22 17:06:12 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-31 19:00:44 -0400 |
| commit | 9b24001db145cf1da76a479918373c18aa10bb4b (patch) | |
| tree | fa72e2e0573750f532b05e142cd325ba22201bd4 /drivers/net/wireless/iwlwifi/iwl-debugfs.c | |
| parent | ac9440a4e4b284d3469120f0e049dff7c73c72a4 (diff) | |
| download | linux-9b24001db145cf1da76a479918373c18aa10bb4b.tar.gz linux-9b24001db145cf1da76a479918373c18aa10bb4b.tar.bz2 linux-9b24001db145cf1da76a479918373c18aa10bb4b.zip | |
Fix debugfs_create_bool's error checking method for wireless/iwlwifi/
debugfs_create_bool() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 753f9387aa68..c3df5aa8df91 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -58,7 +58,8 @@ #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ dbgfs->dbgfs_##parent##_files.file_##name = \ debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \ - if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)) \ + if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ + || !dbgfs->dbgfs_##parent##_files.file_##name) \ goto err; \ } while (0) |