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-rw-r--r--util/nvramtool/cli/nvramtool.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/util/nvramtool/cli/nvramtool.c b/util/nvramtool/cli/nvramtool.c
index d5acc5838e..bdfaaff26d 100644
--- a/util/nvramtool/cli/nvramtool.c
+++ b/util/nvramtool/cli/nvramtool.c
@@ -163,8 +163,8 @@ int main(int argc, char *argv[])
}
if (fd_stat.st_size < CMOS_SIZE) {
- lseek(fd, CMOS_SIZE - 1, SEEK_SET);
- if (write(fd, "\0", 1) != 1) {
+ if ((lseek(fd, CMOS_SIZE - 1, SEEK_SET) == -1) ||
+ (write(fd, "\0", 1) != 1)) {
fprintf(stderr, "Unable to extended '%s' to its full size.\n",
nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_FILE].param);
exit(1);