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modprobe-small: added comment about multiple alias matches

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-10-08 22:54:41 +02:00
parent 784d095877
commit 6332151641
1 changed files with 8 additions and 0 deletions
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8
modutils/modprobe-small.c
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@ -573,6 +573,14 @@ static void process_module(char *name, const char *cmdline_options)
info = find_alias(name);
}
// Problem here: there can be more than one module
// for the given alias. For example,
// "pci:v00008086d00007010sv00000000sd00000000bc01sc01i80" matches
// ata_piix because it has an alias "pci:v00008086d00007010sv*sd*bc*sc*i*"
// and ata_generic, it has an alias "alias=pci:v*d*sv*sd*bc01sc01i*"
// Standard modprobe would load them both.
// In this code, find_alias() returns only the first matching module.
/* rmmod? unload it by name */
if (is_rmmod) {
if (delete_module(name, O_NONBLOCK | O_EXCL) != 0