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bcma: Fix mem leak in bcma_bus_scan() 

bcma_bus_scan() leaks 'struct bcma_device' bytes if
bcma_get_next_core() returns error.

Restructure the code so we always kfree() the memory we allocate to
the variable 'core' before it goes out of scope.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Jesper Juhl 2012-01-29 21:34:04 +01:00 committed by John W. Linville
parent 6f01fd6e6f
commit f9721ed270
1 changed files with 11 additions and 8 deletions
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19
drivers/bcma/scan.c
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@ -399,15 +399,18 @@ int bcma_bus_scan(struct bcma_bus *bus)
core->bus = bus;
err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
if (err == -ENODEV) {
core_num++;
continue;
} else if (err == -ENXIO)
continue;
else if (err == -ESPIPE)
break;
else if (err < 0)
if (err < 0) {
kfree(core);
if (err == -ENODEV) {
core_num++;
continue;
} else if (err == -ENXIO) {
continue;
} else if (err == -ESPIPE) {
break;
}
return err;
}
core->core_index = core_num++;
bus->nr_cores++;