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Groups > linux.kernel > #1319005
| From | Herbert Xu <herbert@gondor.apana.org.au> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 1/2] crypto: sunxi - don't print confusing data |
| Date | 2016-01-27 15:20 +0100 |
| Message-ID | <qVz6X-4J4-29@gated-at.bofh.it> (permalink) |
| References | <qVcal-4P7-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jan 26, 2016 at 02:44:50PM +0100, Arnd Bergmann wrote: > gcc correctly warns that the printk output contains a variable that > it thinks is not initialized in some cases: > > drivers/crypto/sunxi-ss/sun4i-ss-cipher.c: In function 'sun4i_ss_cipher_poll': > drivers/crypto/sunxi-ss/sun4i-ss-cipher.c:254:76: warning: 'todo' may be used uninitialized in this function [-Wmaybe-uninitialized] > drivers/crypto/sunxi-ss/sun4i-ss-cipher.c:144:15: note: 'todo' was declared here > > A closer look at the function reveals that the variable is always > initialized at this point (ileft is guaranteed to be positive at the > start), but its contents are not well-defined: > Depending on some other variables, it might be either a count in > words or bytes, and it could refer to either input or output. > > The easiest solution apparently is to remove the confusing output > and let the reader figure out the state from the other variables. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Applied. -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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[PATCH v2 1/2] crypto: sunxi - don't print confusing data Arnd Bergmann <arnd@arndb.de> - 2016-01-26 14:50 +0100 Re: [PATCH v2 1/2] crypto: sunxi - don't print confusing data Herbert Xu <herbert@gondor.apana.org.au> - 2016-01-27 15:20 +0100 Re: [PATCH v2 1/2] crypto: sunxi - don't print confusing data Corentin LABBE <clabbe.montjoie@gmail.com> - 2016-01-27 20:50 +0100
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