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

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commit b3c0a4dab7e35a9b6d69c0415641d2280fdefb2b upstream.

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: 6543becf26fff6 ("mod/file2alias: make modalias generation safe for cross compiling")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2016-06-06 18:48:38 +02:00 committed by Greg Kroah-Hartman
parent a400a79321
commit 6d58954baf
1 changed files with 1 additions and 1 deletions
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2
scripts/mod/file2alias.c
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@ -695,7 +695,7 @@ 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);