powerpc/boot: Fix missing check of lseek() return value

This is detected by Coverity scan: CID: 1440481

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Bo YU
2018-10-30 09:21:55 -04:00
committed by Michael Ellerman
parent 90437bffa5
commit 5d085ec04a

View File

@ -223,7 +223,11 @@ main(int ac, char **av)
PUT_16(E_PHNUM, np + 2); PUT_16(E_PHNUM, np + 2);
/* write back */ /* write back */
lseek(fd, (long) 0, SEEK_SET); i = lseek(fd, (long) 0, SEEK_SET);
if (i < 0) {
perror("lseek");
exit(1);
}
i = write(fd, buf, n); i = write(fd, buf, n);
if (i < 0) { if (i < 0) {
perror("write"); perror("write");