powerpc/spufs: Fix the type of ret in spufs_arch_write_note

Both the ->dump method and snprintf return an int.  So switch to an
int and properly handle errors from ->dump.

Fixes: 5456ffdee666 ("powerpc/spufs: simplify spufs core dumping")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200610085554.5647-1-hch@lst.de

diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 40dd7b4..026c181 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -118,7 +118,7 @@ static int spufs_arch_write_note(struct spu_context *ctx, int i,
        size_t sz = spufs_coredump_read[i].size;
        char fullname[80];
        struct elf_note en;
-       size_t ret;
+       int ret;
 
        sprintf(fullname, "SPU/%d/%s", dfd, spufs_coredump_read[i].name);
        en.n_namesz = strlen(fullname) + 1;