On Wed, Apr 03 2013, Arnd Bergmann wrote: > As found by gcc-4.8, the QUEUE_SYSFS_BIT_FNS macro creates functions > that use a value generated by queue_var_store independent of whether > that value was set or not. > > block/blk-sysfs.c: In function 'queue_store_nonrot': > block/blk-sysfs.c:244:385: warning: 'val' may be used uninitialized in this > function [-Wmaybe-uninitialized] > > Unlike most other such warnings, this one is not a false positive, > writing any non-number string into the sysfs files indeed has > an undefined result, rather than returning an error.
Huh indeed, thanks Arnd. Queued up. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
