[PATCH 2/2] kexec-tools: powerpc: Fix pointer declarations in read_memory_region_limits()

John Paul Adrian Glaubitz glaubitz at physik.fu-berlin.de
Wed Oct 22 04:44:13 PDT 2025


Fixes the following two build errors on 32-bit PowerPC:

kexec/arch/ppc/kexec-ppc.c: In function 'read_memory_region_limits':
kexec/arch/ppc/kexec-ppc.c:106:11: error: assignment to 'long long unsigned int *' from incompatible pointer type 'long unsigned int *' [-Wincompatible-pointer-types]
  106 |         p = (unsigned long*)buf;
      |           ^

kexec/arch/ppc/kexec-ppc.c: In function 'read_memory_region_limits':
kexec/arch/ppc/kexec-ppc.c:112:19: error: assignment to 'long unsigned int *' from incompatible pointer type 'long long unsigned int *' [-Wincompatible-pointer-types]
  112 |                 p = (unsigned long long *)p + 1;
      |                   ^

Signed-off-by: John Paul Adrian Glaubitz <glaubitz at physik.fu-berlin.de>
---
 kexec/arch/ppc/kexec-ppc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kexec/arch/ppc/kexec-ppc.c b/kexec/arch/ppc/kexec-ppc.c
index d3dad0f..e173433 100644
--- a/kexec/arch/ppc/kexec-ppc.c
+++ b/kexec/arch/ppc/kexec-ppc.c
@@ -91,7 +91,7 @@ int read_memory_region_limits(int fd, unsigned long long *start,
 				unsigned long long *end)
 {
 	char buf[MAXBYTES];
-	unsigned long *p;
+	unsigned long long *p;
 	unsigned long nbytes = dt_address_cells + dt_size_cells;
 
 	if (lseek(fd, 0, SEEK_SET) == -1) {
@@ -103,7 +103,7 @@ int read_memory_region_limits(int fd, unsigned long long *start,
 		return -1;
 	}
 
-	p = (unsigned long*)buf;
+	p = (unsigned long long*)buf;
 	if (dt_address_cells == sizeof(unsigned long)) {
 		*start = p[0];
 		p++;
-- 
2.47.3




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