On 2018-01-10, at 15:03:01 +0200, Gilad Ben-Yossef wrote: > On Wed, Jan 10, 2018 at 1:53 PM, Jeremy Sowden wrote: > > The driver uses a mixture of signed and unsigned integer variables > > for holding arrays lengths and indices, which gives rise to sparse > > warnings when the addresses of signed variables are passed to > > functions expecting > > Just curious, I didn't see these warning when running sparse myself. > Can you share the command line/flags you've used?
make C=2 CF=-Wsparse-all M=drivers/staging/ccree 2>&1 Output attached. > > pointers to unsigned integers. This patch fixes those warnings by > > converting those signed variables to unsigned as follows: > > > > * removed some hard-coded array indices. > > Removing the hard coded array indices is a separate and different > issue and so needs to be dealt it in a separate patch. Please split > your patch into a patchset: one for removing the hard coded values and > one for the signed/unsigned remedy. Will do. J.
[azazel@ulthar:/space/azazel/work/linux/staging] $ git checkout staging-next Switched to branch 'staging-next' Your branch is up to date with 'origin/staging-next'. [azazel@ulthar:/space/azazel/work/linux/staging] $ make C=2 CF=-Wsparse-all M=drivers/staging/ccree 2>&1 CHECK drivers/staging/ccree/cc_driver.c CHECK drivers/staging/ccree/cc_buffer_mgr.c drivers/staging/ccree/cc_buffer_mgr.c:1050:46: warning: incorrect type in argument 4 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1050:46: expected unsigned int [usertype] *lbytes drivers/staging/ccree/cc_buffer_mgr.c:1050:46: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1083:62: warning: incorrect type in argument 7 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1083:62: expected unsigned int [usertype] *lbytes drivers/staging/ccree/cc_buffer_mgr.c:1083:62: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1092:46: warning: incorrect type in argument 4 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1092:46: expected unsigned int [usertype] *lbytes drivers/staging/ccree/cc_buffer_mgr.c:1092:46: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1120:49: warning: incorrect type in argument 4 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1120:49: expected unsigned int [usertype] *src_last_bytes drivers/staging/ccree/cc_buffer_mgr.c:1120:49: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1121:49: warning: incorrect type in argument 5 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1121:49: expected unsigned int [usertype] *dst_last_bytes drivers/staging/ccree/cc_buffer_mgr.c:1121:49: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1124:49: warning: incorrect type in argument 2 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1124:49: expected unsigned int [usertype] *src_last_bytes drivers/staging/ccree/cc_buffer_mgr.c:1124:49: got int *<noident> drivers/staging/ccree/cc_buffer_mgr.c:1125:44: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_buffer_mgr.c:1125:44: expected unsigned int [usertype] *dst_last_bytes drivers/staging/ccree/cc_buffer_mgr.c:1125:44: got int *<noident> CC [M] drivers/staging/ccree/cc_buffer_mgr.o CHECK drivers/staging/ccree/cc_request_mgr.c CHECK drivers/staging/ccree/cc_cipher.c drivers/staging/ccree/cc_cipher.c:358:17: warning: Variable length array is used. drivers/staging/ccree/cc_cipher.c:700:67: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_cipher.c:700:67: expected unsigned int *seq_size drivers/staging/ccree/cc_cipher.c:700:67: got int *<noident> drivers/staging/ccree/cc_cipher.c:703:31: warning: incorrect type in argument 8 (different signedness) drivers/staging/ccree/cc_cipher.c:703:31: expected unsigned int *seq_size drivers/staging/ccree/cc_cipher.c:703:31: got int *<noident> CC [M] drivers/staging/ccree/cc_cipher.o CHECK drivers/staging/ccree/cc_hash.c drivers/staging/ccree/cc_hash.c:480:57: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_hash.c:480:57: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:480:57: got int *<noident> drivers/staging/ccree/cc_hash.c:530:57: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_hash.c:530:57: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:530:57: got int *<noident> drivers/staging/ccree/cc_hash.c:1305:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1305:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1305:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1307:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1307:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1307:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1317:69: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_hash.c:1317:69: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1317:69: got int *<noident> drivers/staging/ccree/cc_hash.c:1390:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1390:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1390:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1393:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1393:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1393:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1404:69: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_hash.c:1404:69: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1404:69: got int *<noident> drivers/staging/ccree/cc_hash.c:1469:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1469:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1469:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1472:43: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_hash.c:1472:43: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1472:43: got int *<noident> drivers/staging/ccree/cc_hash.c:1483:69: warning: incorrect type in argument 6 (different signedness) drivers/staging/ccree/cc_hash.c:1483:69: expected unsigned int *seq_size drivers/staging/ccree/cc_hash.c:1483:69: got int *<noident> CC [M] drivers/staging/ccree/cc_hash.o CHECK drivers/staging/ccree/cc_aead.c drivers/staging/ccree/cc_aead.c:2011:37: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_aead.c:2011:37: expected unsigned int *seq_size drivers/staging/ccree/cc_aead.c:2011:37: got int *<noident> drivers/staging/ccree/cc_aead.c:2017:45: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_aead.c:2017:45: expected unsigned int *seq_size drivers/staging/ccree/cc_aead.c:2017:45: got int *<noident> drivers/staging/ccree/cc_aead.c:2020:45: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_aead.c:2020:45: expected unsigned int *seq_size drivers/staging/ccree/cc_aead.c:2020:45: got int *<noident> drivers/staging/ccree/cc_aead.c:2024:44: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_aead.c:2024:44: expected unsigned int *seq_size drivers/staging/ccree/cc_aead.c:2024:44: got int *<noident> drivers/staging/ccree/cc_aead.c:2026:44: warning: incorrect type in argument 3 (different signedness) drivers/staging/ccree/cc_aead.c:2026:44: expected unsigned int *seq_size drivers/staging/ccree/cc_aead.c:2026:44: got int *<noident> CC [M] drivers/staging/ccree/cc_aead.o CHECK drivers/staging/ccree/cc_ivgen.c CHECK drivers/staging/ccree/cc_sram_mgr.c CHECK drivers/staging/ccree/cc_debugfs.c CHECK drivers/staging/ccree/cc_pm.c LD [M] drivers/staging/ccree/ccree.o Building modules, stage 2. MODPOST 1 modules CC drivers/staging/ccree/ccree.mod.o LD [M] drivers/staging/ccree/ccree.ko
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