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authorJan Kiszka <jan.kiszka@siemens.com>2017-06-02 15:51:57 +0200
committerIngo Molnar <mingo@kernel.org>2017-06-05 17:50:38 +0200
commit7367633f0bfd783ae5838141f3af88bba6c45eb9 (patch)
tree3d67ccf6c70fc125ba2f0543df7775083aebdc8c /drivers/firmware/efi/capsule-loader.c
parentefi/capsule: Fix return code on failing kmap/vmap (diff)
downloadlinux-7367633f0bfd783ae5838141f3af88bba6c45eb9.tar.xz
linux-7367633f0bfd783ae5838141f3af88bba6c45eb9.zip
efi/capsule: Remove pr_debug() on ENOMEM or EFAULT
Both cases are not worth a debug log message - the error code is telling enough. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Link: http://lkml.kernel.org/r/20170602135207.21708-4-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/capsule-loader.c')
-rw-r--r--drivers/firmware/efi/capsule-loader.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c
index 91e91f7a8807..7b57dda2417d 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -88,10 +88,8 @@ static ssize_t efi_capsule_setup_info(struct capsule_info *cap_info,
temp_page = krealloc(cap_info->pages,
pages_needed * sizeof(void *),
GFP_KERNEL | __GFP_ZERO);
- if (!temp_page) {
- pr_debug("%s: krealloc() failed\n", __func__);
+ if (!temp_page)
return -ENOMEM;
- }
cap_info->pages = temp_page;
cap_info->header_obtained = true;
@@ -111,10 +109,8 @@ static ssize_t efi_capsule_submit_update(struct capsule_info *cap_info)
cap_hdr_temp = vmap(cap_info->pages, cap_info->index,
VM_MAP, PAGE_KERNEL);
- if (!cap_hdr_temp) {
- pr_debug("%s: vmap() failed\n", __func__);
+ if (!cap_hdr_temp)
return -ENOMEM;
- }
ret = efi_capsule_update(cap_hdr_temp, cap_info->pages);
vunmap(cap_hdr_temp);
@@ -171,7 +167,6 @@ static ssize_t efi_capsule_write(struct file *file, const char __user *buff,
if (!cap_info->page_bytes_remain) {
page = alloc_page(GFP_KERNEL);
if (!page) {
- pr_debug("%s: alloc_page() failed\n", __func__);
ret = -ENOMEM;
goto failed;
}
@@ -184,7 +179,6 @@ static ssize_t efi_capsule_write(struct file *file, const char __user *buff,
kbuff = kmap(page);
if (!kbuff) {
- pr_debug("%s: kmap() failed\n", __func__);
ret = -ENOMEM;
goto failed;
}
@@ -193,7 +187,6 @@ static ssize_t efi_capsule_write(struct file *file, const char __user *buff,
/* Copy capsule binary data from user space to kernel space buffer */
write_byte = min_t(size_t, count, cap_info->page_bytes_remain);
if (copy_from_user(kbuff, buff, write_byte)) {
- pr_debug("%s: copy_from_user() failed\n", __func__);
ret = -EFAULT;
goto fail_unmap;
}