diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-07-03 17:22:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-12 11:12:59 +0200 |
| commit | fc843d3837ebcb1c16d3768ef3eb55e25d5331f2 (patch) | |
| tree | 1d794f9c004d53bbec09e004786c7394d727b872 | |
| parent | 1200485653a0e58e8284764f24b3959426b33843 (diff) | |
um: line: always fill *error_out in setup_one_line()
[ Upstream commit 824ac4a5edd3f7494ab1996826c4f47f8ef0f63d ]
The pointer isn't initialized by callers, but I have
encountered cases where it's still printed; initialize
it in all possible cases in setup_one_line().
Link: https://patch.msgid.link/20240703172235.ad863568b55f.Iaa1eba4db8265d7715ba71d5f6bb8c7ff63d27e9@changeid
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/um/drivers/line.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index d82bc3fdb86e7..43d8959cc746f 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -383,6 +383,7 @@ int setup_one_line(struct line *lines, int n, char *init, parse_chan_pair(NULL, line, n, opts, error_out); err = 0; } + *error_out = "configured as 'none'"; } else { char *new = kstrdup(init, GFP_KERNEL); if (!new) { @@ -406,6 +407,7 @@ int setup_one_line(struct line *lines, int n, char *init, } } if (err) { + *error_out = "failed to parse channel pair"; line->init_str = NULL; line->valid = 0; kfree(new); |