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efi/capsule: Remove pr_debug() on ENOMEM or EFAULT

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Both cases are not worth a debug log message - the error code is telling
enough.

Signed-off-by: Jan Kiszka <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Reviewed-by: Matt Fleming <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Jan Kiszka 2017-06-02 13:51:57 +00:00 • committed by Ingo Molnar
commit 7367633f0b
1 changed files with 2 additions and 9 deletions
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11
drivers/firmware/efi/capsule-loader.c
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@ -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;
}