[XS] Change in flashrom[main]: linux_mtd: fix build with clang >= 19

[Anastasia Klimchuk (Code Review)]

Anastasia Klimchuk has submitted this change. ( https://review.coreboot.org/c/flashrom/+/84856?usp=email )

Change subject: linux_mtd: fix build with clang >= 19
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linux_mtd: fix build with clang >= 19

Starting with version 19, clang issues a warning when using `strlen()`
for initializing a static array's size. This causes the build to fail as
the project also sets `-Werror`.

This is fixed by using `sizeof()` instead, which is guaranteed to be
evaluated at compilation time and therefore not triggering the
problematic warning.

Change-Id: If470a65702e9ae08e4303123a0014e53a1fee56e
Signed-off-by: Arnaud Ferraris 
Reviewed-on: https://review.coreboot.org/c/flashrom/+/84856
Tested-by: build bot (Jenkins) 
Reviewed-by: Maximilian Brune 
Reviewed-by: Anastasia Klimchuk 
---
M linux_mtd.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Anastasia Klimchuk: Looks good to me, approved
  Maximilian Brune: Looks good to me, but someone else must approve

diff --git a/linux_mtd.c b/linux_mtd.c
index d5fc509..b1d0255 100644
--- a/linux_mtd.c
+++ b/linux_mtd.c
@@ -49,7 +49,7 @@
    int i;
    size_t bytes_read;
    FILE *fp;
-	char path[strlen(LINUX_MTD_SYSFS_ROOT) + 32];
+	char path[sizeof(LINUX_MTD_SYSFS_ROOT) + 31];

snprintf(path, sizeof(path), "%s/%s", sysfs_path, filename);