diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2017-06-02 15:51:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-06-05 17:50:38 +0200 |
| commit | 7367633f0bfd783ae5838141f3af88bba6c45eb9 (patch) | |
| tree | 3d67ccf6c70fc125ba2f0543df7775083aebdc8c /drivers/firmware/efi | |
| parent | efi/capsule: Fix return code on failing kmap/vmap (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/firmware/efi/capsule-loader.c | 11 |
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; } |