strncmp(str, const, len) is error-prone since the len is
easy to be wrong because of counting error or sizeof(const)
without - 1.
Use the newly introduced str_has_prefix() to substitute
it to make code better.
Signed-off-by: Chuhong Yuan <[email protected]>
---
arch/ia64/hp/sim/boot/bootloader.c | 2 +-
arch/ia64/hp/sim/simeth.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ia64/hp/sim/boot/bootloader.c b/arch/ia64/hp/sim/boot/bootloader.c
index 6d804608dc81..bcb7af27466c 100644
--- a/arch/ia64/hp/sim/boot/bootloader.c
+++ b/arch/ia64/hp/sim/boot/bootloader.c
@@ -112,7 +112,7 @@ start_bootloader (void)
ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
elf = (struct elfhdr *) mem;
- if (elf->e_ident[0] == 0x7f && strncmp(elf->e_ident + 1, "ELF", 3) != 0) {
+ if (elf->e_ident[0] == 0x7f && !str_has_prefix(elf->e_ident + 1, "ELF", 3)) {
cons_write("not an ELF file\n");
return;
}
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index f39ef2b4ed72..9ad812cd8d0e 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -248,7 +248,7 @@ simeth_open(struct net_device *dev)
/* copied from lapbether.c */
static __inline__ int dev_is_ethdev(struct net_device *dev)
{
- return ( dev->type == ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
+ return (dev->type == ARPHRD_ETHER && !str_has_prefix(dev->name, "dummy"));
}
--
2.20.1