From: Markus Elfring <[email protected]>
Date: Wed, 16 Aug 2017 20:50:15 +0200

Replace the specification of data types by pointer dereferences
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
 fs/pstore/ram.c      | 3 +--
 fs/pstore/ram_core.c | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 42d27e5fac9f..0ef95c384bed 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -293,8 +293,7 @@ static ssize_t ramoops_pstore_read(struct pstore_record 
*record)
                         */
                        struct persistent_ram_zone *tmp_prz, *prz_next;
 
-                       tmp_prz = kzalloc(sizeof(struct persistent_ram_zone),
-                                         GFP_KERNEL);
+                       tmp_prz = kzalloc(sizeof(*tmp_prz), GFP_KERNEL);
                        if (!tmp_prz)
                                return -ENOMEM;
                        free_prz = true;
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index fafa8af1289c..5d9f7280d757 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -405,7 +405,7 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t 
size,
        else
                prot = pgprot_writecombine(PAGE_KERNEL);
 
-       pages = kmalloc_array(page_count, sizeof(struct page *), GFP_KERNEL);
+       pages = kmalloc_array(page_count, sizeof(*pages), GFP_KERNEL);
        if (!pages)
                return NULL;
 
@@ -520,7 +520,7 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t 
start, size_t size,
        struct persistent_ram_zone *prz;
        int ret = -ENOMEM;
 
-       prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL);
+       prz = kzalloc(sizeof(*prz), GFP_KERNEL);
        if (!prz)
                goto err;
 
-- 
2.14.0

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