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  1. 24 2月, 2017 2 次提交
    • N
      drm/tinydrm: mipi-dbi: Fix field width specifier warning · ce8c0137
      由 Noralf Trønnes 提交于 
      This warning is seen on 64-bit builds in functions:
   'mipi_dbi_typec1_command':
   'mipi_dbi_typec3_command_read':
   'mipi_dbi_typec3_command':

>> drivers/gpu/drm/tinydrm/mipi-dbi.c:65:20: warning: field width specifier '*' expects argument of type 'int', but argument 5 has type 'size_t {aka long unsigned int}' [-Wformat=]
      DRM_DEBUG_DRIVER("cmd=%02x, par=%*ph\n", cmd, len, data); \
                       ^
   include/drm/drmP.h:228:40: note: in definition of macro 'DRM_DEBUG_DRIVER'
     drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
                                           ^~~
>> drivers/gpu/drm/tinydrm/mipi-dbi.c:671:2: note: in expansion of macro 'MIPI_DBI_DEBUG_COMMAND'
     MIPI_DBI_DEBUG_COMMAND(cmd, parameters, num);
     ^~~~~~~~~~~~~~~~~~~~~~

Fix by casting 'len' to int in the macro MIPI_DBI_DEBUG_COMMAND().
There is no chance of overflow.
Signed-off-by: NNoralf Trønnes <noralf@tronnes.org>
Signed-off-by: NDave Airlie <airlied@redhat.com>
      ce8c0137
    • N
      drm/tinydrm: mipi-dbi: Silence: ‘cmd’ may be used uninitialized · b401f343
      由 Noralf Trønnes 提交于 
      Fix this warning:
drivers/gpu/drm/tinydrm/mipi-dbi.c: In function ‘mipi_dbi_debugfs_command_write’:
drivers/gpu/drm/tinydrm/mipi-dbi.c:905:8: warning: ‘cmd’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = mipi_dbi_command_buf(mipi, cmd, parameters, i);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

cmd can't be used uninitialized, but to satisfy the compiler,
initialize it to zero.
Signed-off-by: NNoralf Trønnes <noralf@tronnes.org>
Signed-off-by: NDave Airlie <airlied@redhat.com>
      b401f343
  3. 23 2月, 2017 2 次提交
  5. 22 2月, 2017 2 次提交
  7. 19 2月, 2017 4 次提交
  9. 18 2月, 2017 1 次提交
  11. 17 2月, 2017 29 次提交