[kbuild] [robh:for-next 7/57] arch/powerpc/kexec/elf_64.c:153 elf64_load() error: uninitialized symbol 'fdt'.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
head: 8d3a1cb32124eaeb3f2efe4889de214d3b658d8d
commit: 3c985d31ad661a2cc0ad0a55105046fc56a7b1fd [7/57] powerpc: Use common
of_kexec_alloc_and_setup_fdt()
config: powerpc-randconfig-m031-20210403 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
arch/powerpc/kexec/elf_64.c:153 elf64_load() error: uninitialized symbol 'fdt'.
vim +/fdt +153 arch/powerpc/kexec/elf_64.c
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 27 static void *elf64_load(struct kimage *image, char *kernel_buf,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 28 unsigned long kernel_len, char *initrd,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 29 unsigned long initrd_len, char *cmdline,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 30 unsigned long cmdline_len)
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 31 {
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 32 int ret;
3be3f61d25e04e arch/powerpc/kernel/kexec_elf_64.c Philipp Rudo
2018-04-13 33 unsigned long kernel_load_addr;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 34 unsigned long initrd_load_addr = 0, fdt_load_addr;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 35 void *fdt;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 36 const void *slave_code;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 37 struct elfhdr ehdr;
cb350c1f1f867d arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 38 char *modified_cmdline = NULL;
175fca3bf91a11 arch/powerpc/kernel/kexec_elf_64.c Sven Schnelle
2019-08-23 39 struct kexec_elf_info elf_info;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 40 struct kexec_buf kbuf = { .image = image, .buf_min = 0,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 41 .buf_max = ppc64_rma_size };
3be3f61d25e04e arch/powerpc/kernel/kexec_elf_64.c Philipp Rudo
2018-04-13 42 struct kexec_buf pbuf = { .image = image, .buf_min = 0,
8b909e3548706c arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2019-05-22 43 .buf_max = ppc64_rma_size,
.top_down = true,
8b909e3548706c arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2019-05-22 44 .mem = KEXEC_BUF_MEM_UNKNOWN
};
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 45
175fca3bf91a11 arch/powerpc/kernel/kexec_elf_64.c Sven Schnelle
2019-08-23 46 ret = kexec_build_elf_info(kernel_buf, kernel_len,
, _info);
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 47 if (ret)
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 48 goto out;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 49
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 50 if (image->type == KEXEC_TYPE_CRASH) {
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 51 /* min & max buffer values for kdump case */
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 52 kbuf.buf_min = pbuf.buf_min = crashk_res.start;
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 53 kbuf.buf_max = pbuf.buf_max =
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 54 ((crashk_res.end <
ppc64_rma_size) ?
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 55 crashk_res.end :
(ppc64_rma_size - 1));
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 56 }
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 57
175fca3bf91a11 arch/powerpc/kernel/kexec_elf_64.c Sven Schnelle
2019-08-23 58 ret = kexec_elf_load(image, , _info, ,
_load_addr);
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 59 if (ret)
a0458284f0625a
[kbuild] [robh:for-next 7/57] arch/powerpc/kexec/elf_64.c:153 elf64_load() error: uninitialized symbol 'fdt'.
CC: kbuild-...@lists.01.org
TO: Rob Herring
CC: Lakshmi Ramasubramanian
CC: Thiago Jung Bauermann
tree: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
head: 8d3a1cb32124eaeb3f2efe4889de214d3b658d8d
commit: 3c985d31ad661a2cc0ad0a55105046fc56a7b1fd [7/57] powerpc: Use common
of_kexec_alloc_and_setup_fdt()
:: branch date: 2 days ago
:: commit date: 4 weeks ago
config: powerpc-randconfig-m031-20210403 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
arch/powerpc/kexec/elf_64.c:153 elf64_load() error: uninitialized symbol 'fdt'.
vim +/fdt +153 arch/powerpc/kexec/elf_64.c
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 26
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 27 static void *elf64_load(struct kimage *image, char *kernel_buf,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 28 unsigned long kernel_len, char *initrd,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 29 unsigned long initrd_len, char *cmdline,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 30 unsigned long cmdline_len)
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 31 {
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 32 int ret;
3be3f61d25e04e arch/powerpc/kernel/kexec_elf_64.c Philipp Rudo
2018-04-13 33 unsigned long kernel_load_addr;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 34 unsigned long initrd_load_addr = 0, fdt_load_addr;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 35 void *fdt;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 36 const void *slave_code;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 37 struct elfhdr ehdr;
cb350c1f1f867d arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 38 char *modified_cmdline = NULL;
175fca3bf91a11 arch/powerpc/kernel/kexec_elf_64.c Sven Schnelle
2019-08-23 39 struct kexec_elf_info elf_info;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 40 struct kexec_buf kbuf = { .image = image, .buf_min = 0,
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 41 .buf_max = ppc64_rma_size };
3be3f61d25e04e arch/powerpc/kernel/kexec_elf_64.c Philipp Rudo
2018-04-13 42 struct kexec_buf pbuf = { .image = image, .buf_min = 0,
8b909e3548706c arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2019-05-22 43 .buf_max = ppc64_rma_size,
.top_down = true,
8b909e3548706c arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2019-05-22 44 .mem = KEXEC_BUF_MEM_UNKNOWN
};
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 45
175fca3bf91a11 arch/powerpc/kernel/kexec_elf_64.c Sven Schnelle
2019-08-23 46 ret = kexec_build_elf_info(kernel_buf, kernel_len,
, _info);
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 47 if (ret)
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 48 goto out;
a0458284f0625a arch/powerpc/kernel/kexec_elf_64.c Thiago Jung Bauermann
2016-11-29 49
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 50 if (image->type == KEXEC_TYPE_CRASH) {
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 51 /* min & max buffer values for kdump case */
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 52 kbuf.buf_min = pbuf.buf_min = crashk_res.start;
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 53 kbuf.buf_max = pbuf.buf_max =
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 54 ((crashk_res.end <
ppc64_rma_size) ?
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 55 crashk_res.end :
(ppc64_rma_size - 1));
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 56 }
b8e55a3e5c2088 arch/powerpc/kexec/elf_64.cHari Bathini
2020-07-29 57
175fca3bf91a11
