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| author | Heiko Carstens <hca@linux.ibm.com> | 2023-02-08 19:16:45 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-02-09 20:11:24 +0100 |
| commit | 2f09c2ea6c649cb010e0782aed3c96108e693cff (patch) | |
| tree | 6f7b164d81db3718fc405003fbb722b35a0a7cc6 /arch/s390/include | |
| parent | be76ea61446095c045641404128bc6862545cda1 (diff) | |
| download | linux-stable-2f09c2ea6c649cb010e0782aed3c96108e693cff.tar.gz linux-stable-2f09c2ea6c649cb010e0782aed3c96108e693cff.tar.bz2 linux-stable-2f09c2ea6c649cb010e0782aed3c96108e693cff.zip | |
Revert "s390/mem_detect: do not update output parameters on failure"
This reverts commit cbc29f107e51b1cc7d1e7b0bbe0691a1224205f1.
Get rid of the following smatch warnings:
arch/s390/include/asm/mem_detect.h:86 get_mem_detect_end() error: uninitialized symbol 'end'.
arch/s390/include/asm/mem_detect.h:86 get_mem_detect_end() error: uninitialized symbol 'end'.
arch/s390/boot/vmem.c:256 setup_vmem() error: uninitialized symbol 'start'.
arch/s390/boot/vmem.c:258 setup_vmem() error: uninitialized symbol 'end'.
Note that there is no bug in the code. This is purely to silence smatch.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/mem_detect.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/include/asm/mem_detect.h b/arch/s390/include/asm/mem_detect.h index 08798ddf5143..decd8c4cb799 100644 --- a/arch/s390/include/asm/mem_detect.h +++ b/arch/s390/include/asm/mem_detect.h @@ -40,8 +40,11 @@ void add_mem_detect_block(u64 start, u64 end); static inline int __get_mem_detect_block(u32 n, unsigned long *start, unsigned long *end) { - if (n >= mem_detect.count) + if (n >= mem_detect.count) { + *start = 0; + *end = 0; return -1; + } if (n < MEM_INLINED_ENTRIES) { *start = (unsigned long)mem_detect.entries[n].start; |