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of: fix autoloading due to broken modalias with no 'compatible' 

[ Upstream commit b3c0a4dab7 ]

Because of an improper dereference, a stray 'C' character was output to
the modalias when no 'compatible' was specified. This is the case for
some old PowerMac drivers which only set the 'name' property. Fix it to
let them match again.

Reported-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Mathieu Malaterre <malat@debian.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Fixes: 6543becf26 ("mod/file2alias: make modalias generation safe for cross compiling")
Cc: stable@vger.kernel.org # v3.9+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
wifi-calibration
Sasha Levin 2016-06-17 17:30:50 -04:00
parent 7c630ac4bf
commit d6126a7032
1 changed files with 1 additions and 1 deletions
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2
scripts/mod/file2alias.c
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@ -653,7 +653,7 @@ static int do_of_entry (const char *filename, void *symval, char *alias)
len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
(*type)[0] ? *type : "*");
if (compatible[0])
if ((*compatible)[0])
sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
*compatible);