diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2018-03-11 11:03:42 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-10 15:12:36 +0300 |
| commit | baedcdf5054c151a33e34392af7d8c3a244f16e6 (patch) | |
| tree | 682140b0ec9ef2345bbe018c2b28d90e474aad19 | |
| parent | 302c7b0c4ff5aed585419603f835dee30207e5d5 (diff) | |
| download | linux-baedcdf5054c151a33e34392af7d8c3a244f16e6.tar.xz | |
powerpc/kexec: Use common error handling code in setup_new_fdt()
Add a jump target so that a bit of exception handling can be better
reused at the end of this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec_file_64.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_file_64.c b/arch/powerpc/kernel/machine_kexec_file_64.c index 0bd23dc789a4..c77e95e9b384 100644 --- a/arch/powerpc/kernel/machine_kexec_file_64.c +++ b/arch/powerpc/kernel/machine_kexec_file_64.c @@ -269,18 +269,14 @@ int setup_new_fdt(const struct kimage *image, void *fdt, ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-start", initrd_load_addr); - if (ret < 0) { - pr_err("Error setting up the new device tree.\n"); - return -EINVAL; - } + if (ret < 0) + goto err; /* initrd-end is the first address after the initrd image. */ ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-end", initrd_load_addr + initrd_len); - if (ret < 0) { - pr_err("Error setting up the new device tree.\n"); - return -EINVAL; - } + if (ret < 0) + goto err; ret = fdt_add_mem_rsv(fdt, initrd_load_addr, initrd_len); if (ret) { @@ -292,10 +288,8 @@ int setup_new_fdt(const struct kimage *image, void *fdt, if (cmdline != NULL) { ret = fdt_setprop_string(fdt, chosen_node, "bootargs", cmdline); - if (ret < 0) { - pr_err("Error setting up the new device tree.\n"); - return -EINVAL; - } + if (ret < 0) + goto err; } else { ret = fdt_delprop(fdt, chosen_node, "bootargs"); if (ret && ret != -FDT_ERR_NOTFOUND) { @@ -311,10 +305,12 @@ int setup_new_fdt(const struct kimage *image, void *fdt, } ret = fdt_setprop(fdt, chosen_node, "linux,booted-from-kexec", NULL, 0); - if (ret) { - pr_err("Error setting up the new device tree.\n"); - return -EINVAL; - } + if (ret) + goto err; return 0; + +err: + pr_err("Error setting up the new device tree.\n"); + return -EINVAL; } |