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smex: elf: fixed error handling from file operation 

Fixes commit #e5f337ba70a5

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
This commit is contained in:
Adrian Bonislawski 2023-11-28 10:32:28 +01:00 committed by Kai Vehmanen
parent e30fedc992
commit 63f958e90c
1 changed files with 5 additions and 5 deletions
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10
smex/elf.c
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@ -41,7 +41,7 @@ static int elf_read_sections(struct elf_module *module, bool verbose)
if (count != hdr->shnum) {
fprintf(stderr, "error: failed to read %s section header %d\n",
module->elf_file, -errno);
return count < 0 ? -errno : -ENODATA;
return count > 0 ? -ENODATA : -errno;
}
/* read in strings */
@ -64,7 +64,7 @@ static int elf_read_sections(struct elf_module *module, bool verbose)
if (count != section[hdr->shstrndx].size) {
fprintf(stderr, "error: failed to read %s strings %d\n",
module->elf_file, -errno);
return count < 0 ? -errno : -ENODATA;
return count > 0 ? -ENODATA : -errno;
}
module->bss_index = elf_find_section(module, ".bss");
@ -151,7 +151,7 @@ static int elf_read_programs(struct elf_module *module, bool verbose)
if (count != hdr->phnum) {
fprintf(stderr, "error: failed to read %s program header %d\n",
module->elf_file, -errno);
return count < 0 ? -errno : -ENODATA;
return count > 0 ? -ENODATA : -errno;
}
/* check each program */
@ -191,7 +191,7 @@ static int elf_read_hdr(struct elf_module *module, bool verbose)
if (count != 1) {
fprintf(stderr, "error: failed to read %s elf header %d\n",
module->elf_file, -errno);
return count < 0 ? -errno : -ENODATA;
return count > 0 ? -ENODATA : -errno;
}
if (!verbose)
@ -411,7 +411,7 @@ int elf_find_section(const struct elf_module *module, const char *name)
if (count != section->size) {
fprintf(stderr, "error: can't read string section %d\n",
-errno);
ret = count < 0 ? -errno : -ENODATA;
ret = count > 0 ? -ENODATA : -errno;
goto out;
}
buffer[section->size - 1] = '\0';