usb: storage: sddr09: don't print on ENOMEM
authorWolfram Sang <wsa-dev@sang-engineering.com>
Thu, 25 Aug 2016 17:39:32 +0000 (19:39 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Aug 2016 17:17:39 +0000 (19:17 +0200)
All kmalloc-based functions print enough information on failures.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/storage/sddr09.c

index c5797fa..3aeaa53 100644 (file)
@@ -766,10 +766,8 @@ sddr09_read_data(struct us_data *us,
 
        len = min(sectors, (unsigned int) info->blocksize) * info->pagesize;
        buffer = kmalloc(len, GFP_NOIO);
-       if (buffer == NULL) {
-               printk(KERN_WARNING "sddr09_read_data: Out of memory\n");
+       if (!buffer)
                return -ENOMEM;
-       }
 
        // This could be made much more efficient by checking for
        // contiguous LBA's. Another exercise left to the student.
@@ -1004,10 +1002,8 @@ sddr09_write_data(struct us_data *us,
        pagelen = (1 << info->pageshift) + (1 << CONTROL_SHIFT);
        blocklen = (pagelen << info->blockshift);
        blockbuffer = kmalloc(blocklen, GFP_NOIO);
-       if (!blockbuffer) {
-               printk(KERN_WARNING "sddr09_write_data: Out of memory\n");
+       if (!blockbuffer)
                return -ENOMEM;
-       }
 
        /*
         * Since we don't write the user data directly to the device,
@@ -1017,8 +1013,7 @@ sddr09_write_data(struct us_data *us,
 
        len = min(sectors, (unsigned int) info->blocksize) * info->pagesize;
        buffer = kmalloc(len, GFP_NOIO);
-       if (buffer == NULL) {
-               printk(KERN_WARNING "sddr09_write_data: Out of memory\n");
+       if (!buffer) {
                kfree(blockbuffer);
                return -ENOMEM;
        }
@@ -1241,8 +1236,7 @@ sddr09_read_map(struct us_data *us) {
        alloc_blocks = min(numblocks, SDDR09_READ_MAP_BUFSZ >> CONTROL_SHIFT);
        alloc_len = (alloc_blocks << CONTROL_SHIFT);
        buffer = kmalloc(alloc_len, GFP_NOIO);
-       if (buffer == NULL) {
-               printk(KERN_WARNING "sddr09_read_map: out of memory\n");
+       if (!buffer) {
                result = -1;
                goto done;
        }