diff options
| author | George Spelvin <linux@horizon.com> | 2014-10-07 13:26:38 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-10-07 23:10:00 +0200 |
| commit | 1c40279960bcd7d52dbdf1d466b20d24b99176c8 (patch) | |
| tree | 39035a38f06cf7c84bb246c1b3029986fbd83209 /drivers/ata | |
| parent | AHCI: Do not acquire ata_host::lock from single IRQ handler (diff) | |
| download | linux-1c40279960bcd7d52dbdf1d466b20d24b99176c8.tar.xz linux-1c40279960bcd7d52dbdf1d466b20d24b99176c8.zip | |
libata: Un-break ATA blacklist
lib/glob.c provides a new glob_match() function, with arguments in
(pattern, string) order. It replaced a private function with arguments
in (string, pattern) order, but I didn't swap the call site...
The result was the entire ATA blacklist was effectively disabled.
The lesson for today is "I f***ed up *how* badly *how* many months ago?",
er, I mean "Nobody Tests RC Kernels On Legacy Hardware".
This was not a subtle break, but it made it through an entire RC
cycle unreported, presumably because all the people doing testing
have full-featured hardware.
(FWIW, the reason for the argument swap was because fnmatch() does it that
way, and for a while implementing a full fnmatch() was being considered.)
Fixes: 428ac5fc056e0 (libata: Use glob_match from lib/glob.c)
Reported-by: Steven Honeyman <stevenhoneyman@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=71371#c21
Signed-off-by: George Spelvin <linux@horizon.com>
Cc: <stable@vger.kernel.org> # 3.17
Tested-by: Steven Honeyman <stevenhoneyman@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f785ae50a0ea..bea6d3745324 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4261,10 +4261,10 @@ static unsigned long ata_dev_blacklisted(const struct ata_device *dev) ata_id_c_string(dev->id, model_rev, ATA_ID_FW_REV, sizeof(model_rev)); while (ad->model_num) { - if (glob_match(model_num, ad->model_num)) { + if (glob_match(ad->model_num, model_num)) { if (ad->model_rev == NULL) return ad->horkage; - if (glob_match(model_rev, ad->model_rev)) + if (glob_match(ad->model_rev, model_rev)) return ad->horkage; } ad++; |