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Open Source and information security mailing list archives
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Date: Thu, 16 Apr 2015 13:34:54 -0700 From: Marcel Holtmann <marcel@...tmann.org> To: Geert Uytterhoeven <geert@...ux-m68k.org> Cc: "Gustavo F. Padovan" <gustavo@...ovan.org>, Johan Hedberg <johan.hedberg@...il.com>, BlueZ development <linux-bluetooth@...r.kernel.org>, netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] Bluetooth: Pre-initialize variables in read_local_oob_ext_data_complete() Hi Geert, > net/bluetooth/mgmt.c: In function ‘read_local_oob_ext_data_complete’: > net/bluetooth/mgmt.c:6474: warning: ‘r256’ may be used uninitialized in this function > net/bluetooth/mgmt.c:6474: warning: ‘h256’ may be used uninitialized in this function > net/bluetooth/mgmt.c:6474: warning: ‘r192’ may be used uninitialized in this function > net/bluetooth/mgmt.c:6474: warning: ‘h192’ may be used uninitialized in this function > > While these are false positives, the code can be shortened by > pre-initializing the hash table pointers and eir_len. This has the side > effect of killing the compiler warnings. can you be a bit specific on which compiler version is this. I fixed one occurrence that seemed valid. However in this case the compiler seems to be just plain stupid. On a gcc 4.9, I am not seeing these for example. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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