Re: Linux 5.19-rc1
From: Ammar Faizi
Date: Mon Jun 06 2022 - 07:51:27 EST
On 6/6/22 7:42 AM, Linus Torvalds wrote:
So hey, let's start calming things down and testing this all.
Doesn't compile with clang 15, the fix is there:
https://lore.kernel.org/lkml/20220523150521.2947108-1-nathan@xxxxxxxxxx/
Error:
```
ammarfaizi2@integral2:~/work/linux.work$ git log -n 1
commit f2906aa863381afb0015a9eb7fefad885d4e5a56 (HEAD -> master, tag: v5.19-rc1, @torvalds/linux/master)
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Sun Jun 5 17:18:54 2022 -0700
Linux 5.19-rc1
ammarfaizi2@integral2:~/work/linux.work$
ammarfaizi2@integral2:~/work/linux.work$ taskset -c 0-7 make -j8 && taskset -c 0-7 make modules -j8
DESCEND objtool
CALL scripts/atomic/check-atomics.sh
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
CC [M] drivers/misc/cardreader/rts5261.o
CC [M] drivers/misc/altera-stapl/altera-lpt.o
CC [M] drivers/misc/altera-stapl/altera-jtag.o
CC [M] drivers/misc/altera-stapl/altera-comp.o
drivers/misc/cardreader/rts5261.c:406:13: error: variable 'setting_reg2' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
} else if (efuse_valid == 0) {
^~~~~~~~~~~~~~~~
drivers/misc/cardreader/rts5261.c:412:30: note: uninitialized use occurs here
pci_read_config_dword(pdev, setting_reg2, &lval2);
^~~~~~~~~~~~
drivers/misc/cardreader/rts5261.c:406:9: note: remove the 'if' if its condition is always true
} else if (efuse_valid == 0) {
^~~~~~~~~~~~~~~~~~~~~~
drivers/misc/cardreader/rts5261.c:364:32: note: initialize the variable 'setting_reg2' to silence this warning
u16 setting_reg1, setting_reg2;
^
= 0
1 error generated.
make[3]: *** [scripts/Makefile.build:249: drivers/misc/cardreader/rts5261.o] Error 1
make[2]: *** [scripts/Makefile.build:466: drivers/misc/cardreader] Error 2
make[2]: *** Waiting for unfinished jobs....
```
--
Ammar Faizi