Fix a memory leak.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
---
 drivers/video/fbdev/broadsheetfb.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/broadsheetfb.c 
b/drivers/video/fbdev/broadsheetfb.c
index 8556264..526e5e84 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -636,7 +636,7 @@ static int broadsheet_spiflash_rewrite_sector(struct 
broadsheetfb_par *par,
                err = broadsheet_spiflash_read_range(par, start_sector_addr,
                                                data_start_addr, sector_buffer);
                if (err)
-                       return err;
+                       goto end_release;
        }
 
        /* now we copy our data into the right place in the sector buffer */
@@ -657,7 +657,7 @@ static int broadsheet_spiflash_rewrite_sector(struct 
broadsheetfb_par *par,
                err = broadsheet_spiflash_read_range(par, tail_start_addr,
                        tail_len, sector_buffer + tail_start_addr);
                if (err)
-                       return err;
+                       goto end_release;
        }
 
        /* if we got here we have the full sector that we want to rewrite. */
@@ -665,11 +665,14 @@ static int broadsheet_spiflash_rewrite_sector(struct 
broadsheetfb_par *par,
        /* first erase the sector */
        err = broadsheet_spiflash_erase_sector(par, start_sector_addr);
        if (err)
-               return err;
+               goto end_release;
 
        /* now write it */
        err = broadsheet_spiflash_write_sector(par, start_sector_addr,
                                        sector_buffer, sector_size);
+
+end_release:
+       kfree(sector_buffer);
        return err;
 }
 
-- 
1.7.10.4

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